3074: Push Notifications

Push Notifications

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Title text: NOTIFICATION: Now dismissing a head of the Notification Hydra… NOTIFICATION: Success! You have dismissed a head of the Notification Hydra! Different title text: :3

|< < Prev Random Explanation Next > >|

This is the 16th xkcd April Fools' Day comic, released by Randall on April 9, 2025. It was published 8 days late on a Wednesday, following the standard release schedule. Learn why this comic was released late. You can view all April Fools' Day comics or learn more about them.
< Previous April Fools' Day comic                 View all

To experience the interactivity of the game, visit the original comic!

Explanation

This explanation is incomplete: The current explanation is too messy (unrelated paragraphs and too many bullet points). If needed, reorganise it, use tables, or divide it into subsections. It might be easier to navigate to have the notifications divided into subsections, one for each type of notification, so we can have smaller, separate tables that are easier to browse. In that same section, we can move the explanation of when they appear and move the image they are related to. The #Trivia section doesn't fully explain the apparent delayed launch of the comic. Give examples of other delayed comics and add more information about this one, sucha as the text of the first notification and what it means. The gallery is missing many image links! Links to all images are on the index.js at https://xkcd.com/3074/marconi/static/js/index.js?v=1. You can easily identify them, they look like this: static/xyz.png That same link contains all the comic pictures, including each notification, so download each notification image from here (use Ctrl+F to search for "static/" links, and then paste into the URL in the address bar), and create a new section for them! This way, we can showcase the initial notification flow in order. (Make sure to download the bigger version, labelled "4x" instead of "2x"!). Most of the transcripts for the additional #Comic images are not descriptive enough. Need to finish explaining the table with all the notifications and copy the images that go along with them. Notifications that are confirmed to be related to image changes should have the image in its explanation. (You can take the image from the section #Comic images.) If you can fix this issue, edit the page!

The comic uses push notifications to change the comic image over time and make other statements. Upon viewing the comic for the first time, a sequence of notifications will be rendered over the comic itself. The notifications have a fade-in animation and appear one after another. The sequence is divided into several "groups" of notifications, each containing up to 4 regular notifications and an interactable button, which has a circled arrow icon to the right as well as a different text color. Clicking the arrow removes all notifications on screen and proceeds the sequence to the next group.

At the end of the sequence, a red-background option to sign up for xkcd notifications is presented. This part differs depending on if the user is "playing" from a mobile or desktop browser.

• On desktop, clicking this will result in the browser prompting the user to allow or block xkcd.com's request to send push notifications. By allowing, the game begins. If blocked, the comic shows a message "An actual error occurred :(", and the laptop bursts into flames (see the image in the table below). It also blows up in response to any other browser error, such as a 500 Internal Server Error, which is reported to happen if you click the pause button too quickly.^{[actual citation needed]}

• On mobile, a new on-screen notification will show up, telling the user to add zk to their home screen in order for it to send push notifications on mobile. Upon doing so and opening the webpage from the home screen, the system will prompt the user to allow or block push notifications from this webpage. The outcomes of allowing and denying are the same as on desktop.

Once the game begins, you are provided with two buttons: one labeled "Emergency Stop", and one labeled "Silence notifications at a cost". Clicking the "Emergency Stop" button allows you to either restart the full game or to subscribe just to thrice-weekly notifications for new xkcd comics, while the second button will temporarily silence notifications, supposedly at the cost of notifying two random people.

The title text references the Lernaean Hydra, a multi-headed serpent-like monster from Greek mythology; the Greek hero Heracles was tasked with slaying the Hydra as the second of his twelve labours. When he cut off one of its heads, however, two heads would grow in its place, resulting in more heads than before; Heracles soon realized he could not kill the Hydra in this fashion. It describes a similar situation with the "Notification Hydra": a push notification "head" of the Notification Hydra was dismissed, which subsequently spawned two more push notification heads providing updates about the status of the dismissal. If one of these new notifications were to be dismissed, it would again spawn another set of the same two push notification heads; thus, the Notification Hydra is unkillable in a manner similar to the original.

Up to 7 clickable cats periodically spawn at predetermined positions around the page, including one on the edge of the Emergency Stop button. The subdirectory where the images and scripts for this comic are stored is titled 'marconi,' which is likely a reference to the Italian engineer and inventor of the same name, Guglielmo Marconi, who is credited with inventing the radio, and did much work in the field of early communication systems.

Notifications

When graphing the coordinates from the zoom notifications, a turtle and a squirrel appear.

A general list of notification types include:

• The "Zoom notifications" only include numeric coordinates, sometimes prefixed with "oh look!". Plotting the normal coordinates creates an image of a turtle, a reference to 1416: Pixels, while the coordinates prefixed with "oh look!" create a squirrel behind the turtle. See the image above.

• A few starter notifications about this comic, the successful sending of a notification of this comic, and the lack of another comic.

• An announcement that an old comic was posted, specifying a (seemingly) random comic and its publication date. The publication date seems to be shown in a random calendar date format.

• A word game where a first notification asks you to type a word, with further notifications apparently to be sent whenever someone chooses the same word as you.
  • The word can be chosen by clicking on the first notification, which lands you in the comic page. The comic pane will be changed to a comic-style input dialogue with a space for the word and a submit button. Upon providing a word, a notification informs you that you will then receive notifications (of the form "Someone else has selected the word <Your Word>!"), and that your choice is permanent and cannot be changed. You can also submit a blank text field, thus receiving "Someone else has selected the word !" notifications.

• A "streak" notification counting the number of times you've clicked it. To start with, the message changes every 10 clicks; then every 50 clicks (after 100) and then at increasing intervals. After every 50 clicks there is an offer to make future clicks count twice, making this a simple version of Cookie Clicker. If you choose to accept the offer by clicking on it, it will reset your clicks back to zero but makes all future clicks count double of the current click rate; you can also reject the offer by continuing to click on the click counter message. There are occasionally notifications encouraging you to keep clicking and "extend your streak," tempting you with "a free click to keep you going". After 400 clicks it will reset your clicks back to zero but makes all future clicks count four times.
  • Early notifications encourage further clicking.
  • Approaching a hundred, the messages grow more concerned and later start warning that the server will crash or has crashed.
  • Above 750: "Are you just doing this to annoy me?"
  • 1000-2000: "You're just doing this to annoy you?"
  • Above 2000: "I guess it worked"
  • Above 1000000: "Wow, you're really into this"

• "Constant reminders" with references to mathematical, physical, or some other constants. The constant values are stated to be "at the tone", likely in reference to time-of-day phone services, which are live or recorded human voice services that tell you the exact time "at the third stroke" over the phone. (In at least some portions of the USA, the wording did use "tone" rather than "strike." For example, "At the tone, the time will be 2:32pm, and 10 seconds ... (beep)")

• A "have you seen my cat?" notification which causes all the cats to spawn when clicked.

• Cat fact notifications that appear when a cat is clicked, in reference to this exchange.

• Various "Erroneous Alerts" with a warning triangle emoji (⚠ U+26A0), some with just flavor text, some corresponding to changes in the comic image.

• A notification that offers to provide weather alerts for your location, which leads into a series of notifications asking whether you live in a named city. If none of the cities that it knows are selected, your location is set to the summit of Mount Washington.

• When the time is near a full hour or half-hour, that the current time is five o'clock.

• An invitation to subscribe to the "What if?" YouTube channel

• A notification with the heading "System Log" that reads (INFO): A user has paused notifications
  • This notification presumably appears when a random user has pressed the "Silence notifications at a cost" button.

• A "Carriage Return Line Feed", referencing the Windows standard of storing line returns as a carriage return character followed by a line feed (newline) character. However, the xkcd Carriage Return Line Feed is instead a news feed concerning the next stop on a supposed "Carriage Return Line" of a train system. The announcements are all related to stations on the London Underground, including the use of the phrase "Mind the gap".

• A reminder to comment and subscribe. When clicked, they redirect the user to one of the following Wikipedia Talk pages:

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Zoom Notification	(6,18)
Zoom Notification	(7,18)
Zoom Notification	(8,18)
Zoom Notification	(9,18)
Zoom Notification	(10,18)
Zoom Notification	(11,18)
Zoom Notification	(15,18)
Zoom Notification	(16,18)
Zoom Notification	(17,18)
Zoom Notification	(18,18)
Zoom Notification	(19,18)
Zoom Notification	(20,18)
Zoom Notification	(23,18)
Zoom Notification	(24,18)
Zoom Notification	(25,18)
Zoom Notification	(26,18)
Zoom Notification	(27,18)
Zoom Notification	(28,18)
Zoom Notification	(29,18)
Zoom Notification	(30,18)
Zoom Notification	(31,18)
Zoom Notification	(32,18)
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Zoom Notification	(36,18)
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Zoom Notification	(43,18)
Zoom Notification	(44,18)
Zoom Notification	(45,18)
Zoom Notification	(46,18)
Zoom Notification	(47,18)
Zoom Notification	(48,18)
Zoom Notification	(55,18)
Zoom Notification	(56,18)
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Zoom Notification	(59,18)
Zoom Notification	(60,18)
Zoom Notification	(61,18)
Zoom Notification	(62,18)
Zoom Notification	(71,18)
Zoom Notification	(72,18)
Zoom Notification	(73,18)
Zoom Notification	(74,18)
Zoom Notification	(75,18)
Zoom Notification	(76,18)
Zoom Notification	(3,19)
Zoom Notification	(4,19)
Zoom Notification	(5,19)
Zoom Notification	(6,19)
Zoom Notification	(7,19)
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Zoom Notification	(9,19)
Zoom Notification	(12,19)
Zoom Notification	(13,19)
Zoom Notification	(14,19)
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Zoom Notification	(17,19)
Zoom Notification	(18,19)
Zoom Notification	(23,19)
Zoom Notification	(24,19)
Zoom Notification	(25,19)
Zoom Notification	(26,19)
Zoom Notification	(27,19)
Zoom Notification	(31,19)
Zoom Notification	(32,19)
Zoom Notification	(33,19)
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Zoom Notification	(36,19)
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Zoom Notification	(38,19)
Zoom Notification	(39,19)
Zoom Notification	(40,19)
Zoom Notification	(41,19)
Zoom Notification	(42,19)
Zoom Notification	(43,19)
Zoom Notification	(44,19)
Zoom Notification	(45,19)
Zoom Notification	(46,19)
Zoom Notification	(47,19)
Zoom Notification	(55,19)
Zoom Notification	(56,19)
Zoom Notification	(57,19)
Zoom Notification	(58,19)
Zoom Notification	(59,19)
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Zoom Notification	(61,19)
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Zoom Notification	(64,19)
Zoom Notification	(65,19)
Zoom Notification	(66,19)
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Zoom Notification	(68,19)
Zoom Notification	(69,19)
Zoom Notification	(70,19)
Zoom Notification	(71,19)
Zoom Notification	(72,19)
Zoom Notification	(73,19)
Zoom Notification	(74,19)
Zoom Notification	(75,19)
Zoom Notification	(5,20)
Zoom Notification	(6,20)
Zoom Notification	(8,20)
Zoom Notification	(9,20)
Zoom Notification	(10,20)
Zoom Notification	(11,20)
Zoom Notification	(12,20)
Zoom Notification	(13,20)
Zoom Notification	(14,20)
Zoom Notification	(15,20)
Zoom Notification	(16,20)
Zoom Notification	(17,20)
Zoom Notification	(22,20)
Zoom Notification	(23,20)
Zoom Notification	(24,20)
Zoom Notification	(25,20)
Zoom Notification	(26,20)
Zoom Notification	(27,20)
Zoom Notification	(44,20)
Zoom Notification	(45,20)
Zoom Notification	(46,20)
Zoom Notification	(47,20)
Zoom Notification	(56,20)
Zoom Notification	(57,20)
Zoom Notification	(58,20)
Zoom Notification	(59,20)
Zoom Notification	(60,20)
Zoom Notification	(61,20)
Zoom Notification	(62,20)
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Zoom Notification	(64,20)
Zoom Notification	(65,20)
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Zoom Notification	(70,20)
Zoom Notification	(71,20)
Zoom Notification	(72,20)
Zoom Notification	(73,20)
Zoom Notification	(74,20)
Zoom Notification	(7,21)
Zoom Notification	(8,21)
Zoom Notification	(9,21)
Zoom Notification	(10,21)
Zoom Notification	(11,21)
Zoom Notification	(12,21)
Zoom Notification	(13,21)
Zoom Notification	(14,21)
Zoom Notification	(15,21)
Zoom Notification	(16,21)
Zoom Notification	(22,21)
Zoom Notification	(23,21)
Zoom Notification	(24,21)
Zoom Notification	(25,21)
Zoom Notification	(26,21)
Zoom Notification	(27,21)
Zoom Notification	(40,21)
Zoom Notification	(41,21)
Zoom Notification	(42,21)
Zoom Notification	(43,21)
Zoom Notification	(44,21)
Zoom Notification	(45,21)
Zoom Notification	(46,21)
Zoom Notification	(47,21)
Zoom Notification	(48,21)
Zoom Notification	(49,21)
Zoom Notification	(56,21)
Zoom Notification	(57,21)
Zoom Notification	(58,21)
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Zoom Notification	(67,21)
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Zoom Notification	(69,21)
Zoom Notification	(70,21)
Zoom Notification	(71,21)
Zoom Notification	(72,21)
Zoom Notification	(13,22)
Zoom Notification	(14,22)
Zoom Notification	(15,22)
Zoom Notification	(16,22)
Zoom Notification	(21,22)
Zoom Notification	(22,22)
Zoom Notification	(23,22)
Zoom Notification	(24,22)
Zoom Notification	(25,22)
Zoom Notification	(26,22)
Zoom Notification	(27,22)
Zoom Notification	(28,22)
Zoom Notification	(29,22)
Zoom Notification	(30,22)
Zoom Notification	(31,22)
Zoom Notification	(32,22)
Zoom Notification	(33,22)
Zoom Notification	(34,22)
Zoom Notification	(35,22)
Zoom Notification	(36,22)
Zoom Notification	(37,22)
Zoom Notification	(38,22)
Zoom Notification	(39,22)
Zoom Notification	(40,22)
Zoom Notification	(41,22)
Zoom Notification	(42,22)
Zoom Notification	(43,22)
Zoom Notification	(44,22)
Zoom Notification	(45,22)
Zoom Notification	(46,22)
Zoom Notification	(47,22)
Zoom Notification	(48,22)
Zoom Notification	(49,22)
Zoom Notification	(50,22)
Zoom Notification	(51,22)
Zoom Notification	(57,22)
Zoom Notification	(58,22)
Zoom Notification	(59,22)
Zoom Notification	(60,22)
Zoom Notification	(12,23)
Zoom Notification	(13,23)
Zoom Notification	(14,23)
Zoom Notification	(15,23)
Zoom Notification	(21,23)
Zoom Notification	(22,23)
Zoom Notification	(23,23)
Zoom Notification	(24,23)
Zoom Notification	(25,23)
Zoom Notification	(26,23)
Zoom Notification	(27,23)
Zoom Notification	(28,23)
Zoom Notification	(29,23)
Zoom Notification	(30,23)
Zoom Notification	(31,23)
Zoom Notification	(32,23)
Zoom Notification	(33,23)
Zoom Notification	(34,23)
Zoom Notification	(35,23)
Zoom Notification	(36,23)
Zoom Notification	(37,23)
Zoom Notification	(38,23)
Zoom Notification	(39,23)
Zoom Notification	(40,23)
Zoom Notification	(41,23)
Zoom Notification	(42,23)
Zoom Notification	(43,23)
Zoom Notification	(44,23)
Zoom Notification	(45,23)
Zoom Notification	(47,23)
Zoom Notification	(48,23)
Zoom Notification	(49,23)
Zoom Notification	(50,23)
Zoom Notification	(51,23)
Zoom Notification	(52,23)
Zoom Notification	(57,23)
Zoom Notification	(58,23)
Zoom Notification	(59,23)
Zoom Notification	(60,23)
Zoom Notification	(12,24)
Zoom Notification	(13,24)
Zoom Notification	(14,24)
Zoom Notification	(15,24)
Zoom Notification	(20,24)
Zoom Notification	(21,24)
Zoom Notification	(23,24)
Zoom Notification	(24,24)
Zoom Notification	(25,24)
Zoom Notification	(26,24)
Zoom Notification	(27,24)
Zoom Notification	(28,24)
Zoom Notification	(29,24)
Zoom Notification	(30,24)
Zoom Notification	(31,24)
Zoom Notification	(32,24)
Zoom Notification	(33,24)
Zoom Notification	(34,24)
Zoom Notification	(35,24)
Zoom Notification	(36,24)
Zoom Notification	(37,24)
Zoom Notification	(38,24)
Zoom Notification	(39,24)
Zoom Notification	(40,24)
Zoom Notification	(41,24)
Zoom Notification	(49,24)
Zoom Notification	(50,24)
Zoom Notification	(51,24)
Zoom Notification	(52,24)
Zoom Notification	(58,24)
Zoom Notification	(59,24)
Zoom Notification	(60,24)
Zoom Notification	(12,25)
Zoom Notification	(13,25)
Zoom Notification	(14,25)
Zoom Notification	(15,25)
Zoom Notification	(16,25)
Zoom Notification	(17,25)
Zoom Notification	(18,25)
Zoom Notification	(19,25)
Zoom Notification	(20,25)
Zoom Notification	(21,25)
Zoom Notification	(22,25)
Zoom Notification	(23,25)
Zoom Notification	(49,25)
Zoom Notification	(50,25)
Zoom Notification	(51,25)
Zoom Notification	(52,25)
Zoom Notification	(53,25)
Zoom Notification	(56,25)
Zoom Notification	(57,25)
Zoom Notification	(58,25)
Zoom Notification	(59,25)
Zoom Notification	(60,25)
Zoom Notification	(12,26)
Zoom Notification	(13,26)
Zoom Notification	(14,26)
Zoom Notification	(15,26)
Zoom Notification	(16,26)
Zoom Notification	(17,26)
Zoom Notification	(18,26)
Zoom Notification	(19,26)
Zoom Notification	(20,26)
Zoom Notification	(21,26)
Zoom Notification	(22,26)
Zoom Notification	(23,26)
Zoom Notification	(50,26)
Zoom Notification	(51,26)
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Zoom Notification	(53,26)
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Zoom Notification	(55,26)
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Zoom Notification	(58,26)
Zoom Notification	(59,26)
Zoom Notification	(60,26)
Zoom Notification	(12,27)
Zoom Notification	(13,27)
Zoom Notification	(14,27)
Zoom Notification	(15,27)
Zoom Notification	(16,27)
Zoom Notification	(17,27)
Zoom Notification	(18,27)
Zoom Notification	(19,27)
Zoom Notification	(20,27)
Zoom Notification	(21,27)
Zoom Notification	(22,27)
Zoom Notification	(50,27)
Zoom Notification	(51,27)
Zoom Notification	(52,27)
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Zoom Notification	(54,27)
Zoom Notification	(55,27)
Zoom Notification	(56,27)
Zoom Notification	(57,27)
Zoom Notification	(58,27)
Zoom Notification	(59,27)
Zoom Notification	(60,27)
Zoom Notification	(17,28)
Zoom Notification	(18,28)
Zoom Notification	(19,28)
Zoom Notification	(20,28)
Zoom Notification	(21,28)
Zoom Notification	(22,28)
Zoom Notification	(51,28)
Zoom Notification	(52,28)
Zoom Notification	(53,28)
Zoom Notification	(54,28)
Zoom Notification	(55,28)
Zoom Notification	(56,28)
Zoom Notification	(57,28)
Zoom Notification	(58,28)
Zoom Notification	(59,28)
Zoom Notification	oh look! (1,1)
Zoom Notification	oh look! (2,1)
Zoom Notification	oh look! (3,1)
Zoom Notification	oh look! (4,1)
Zoom Notification	oh look! (13,1)
Zoom Notification	oh look! (2,2)
Zoom Notification	oh look! (3,2)
Zoom Notification	oh look! (4,2)
Zoom Notification	oh look! (5,2)
Zoom Notification	oh look! (12,2)
Zoom Notification	oh look! (13,2)
Zoom Notification	oh look! (14,2)
Zoom Notification	oh look! (15,2)
Zoom Notification	oh look! (2,3)
Zoom Notification	oh look! (3,3)
Zoom Notification	oh look! (4,3)
Zoom Notification	oh look! (5,3)
Zoom Notification	oh look! (12,3)
Zoom Notification	oh look! (13,3)
Zoom Notification	oh look! (14,3)
Zoom Notification	oh look! (15,3)
Zoom Notification	oh look! (16,3)
Zoom Notification	oh look! (3,4)
Zoom Notification	oh look! (4,4)
Zoom Notification	oh look! (5,4)
Zoom Notification	oh look! (6,4)
Zoom Notification	oh look! (12,4)
Zoom Notification	oh look! (13,4)
Zoom Notification	oh look! (14,4)
Zoom Notification	oh look! (15,4)
Zoom Notification	oh look! (16,4)
Zoom Notification	oh look! (3,5)
Zoom Notification	oh look! (4,5)
Zoom Notification	oh look! (5,5)
Zoom Notification	oh look! (6,5)
Zoom Notification	oh look! (11,5)
Zoom Notification	oh look! (12,5)
Zoom Notification	oh look! (13,5)
Zoom Notification	oh look! (14,5)
Zoom Notification	oh look! (15,5)
Zoom Notification	oh look! (3,6)
Zoom Notification	oh look! (4,6)
Zoom Notification	oh look! (5,6)
Zoom Notification	oh look! (6,6)
Zoom Notification	oh look! (9,6)
Zoom Notification	oh look! (10,6)
Zoom Notification	oh look! (11,6)
Zoom Notification	oh look! (12,6)
Zoom Notification	oh look! (13,6)
Zoom Notification	oh look! (3,7)
Zoom Notification	oh look! (4,7)
Zoom Notification	oh look! (5,7)
Zoom Notification	oh look! (6,7)
Zoom Notification	oh look! (8,7)
Zoom Notification	oh look! (9,7)
Zoom Notification	oh look! (10,7)
Zoom Notification	oh look! (11,7)
Zoom Notification	oh look! (12,7)
Zoom Notification	oh look! (13,7)
Zoom Notification	oh look! (3,8)
Zoom Notification	oh look! (4,8)
Zoom Notification	oh look! (5,8)
Zoom Notification	oh look! (6,8)
Zoom Notification	oh look! (8,8)
Zoom Notification	oh look! (9,8)
Zoom Notification	oh look! (10,8)
Zoom Notification	oh look! (11,8)
Zoom Notification	oh look! (12,8)
Zoom Notification	oh look! (13,8)
Zoom Notification	oh look! (14,8)
Zoom Notification	oh look! (3,9)
Zoom Notification	oh look! (4,9)
Zoom Notification	oh look! (5,9)
Zoom Notification	oh look! (6,9)
Zoom Notification	oh look! (8,9)
Zoom Notification	oh look! (9,9)
Zoom Notification	oh look! (10,9)
Zoom Notification	oh look! (11,9)
Zoom Notification	oh look! (12,9)
Zoom Notification	oh look! (13,9)
Zoom Notification	oh look! (3,10)
Zoom Notification	oh look! (4,10)
Zoom Notification	oh look! (5,10)
Zoom Notification	oh look! (6,10)
Zoom Notification	oh look! (8,10)
Zoom Notification	oh look! (9,10)
Zoom Notification	oh look! (10,10)
Zoom Notification	oh look! (11,10)
Zoom Notification	oh look! (12,10)
Zoom Notification	oh look! (13,10)
Zoom Notification	oh look! (4,11)
Zoom Notification	oh look! (5,11)
Zoom Notification	oh look! (6,11)
Zoom Notification	oh look! (7,11)
Zoom Notification	oh look! (8,11)
Zoom Notification	oh look! (9,11)
Zoom Notification	oh look! (10,11)
Zoom Notification	oh look! (11,11)
Zoom Notification	oh look! (12,11)
Zoom Notification	oh look! (5,12)
Zoom Notification	oh look! (6,12)
Zoom Notification	oh look! (9,12)
Zoom Notification	oh look! (10,12)
Zoom Notification	oh look! (11,12)
Zoom Notification	oh look! (12,12)

The full list of known notifications is available below, while all the known zoom notifications are on the right.

Notification title	Notification body	Explanation
Congratulations!	You've activated desktop notifications.	This notification shows up right after the user allows push notifications to be sent from xkcd.com.
xkcd notification system success	Success: A notification about the new xkcd comic has been sent!
xkcd notification system notifications	Notification: No new xkcd comic has been posted since the last notification.
xkcd notification system test	This is a test notification. If you’re seeing this, the notification system is configured incorrectly.
community message board	Have you seen my cat?	Up to 7 cats can appear at predetermined positions around the comic's page occasionally. It is guaranteed at the time of this notification being sent that there is at least one cat on screen.
Cat Fact!	Despite frequent media portrayal of giving milk to cats, adult cats are frequently lactose intolerant.	Upon clicking any of the 7 cats, the cat will disappear and the user will receive one of these notifications.
Cat Fact!	The animal closest to the cat family without actually being in it is the linsang.
Cat Fact!	The first known cat video was recorded in 1894.
Cat Fact!	Cats can detect the active ingredient of catnip, nepetalactone, at less than one part per billion.
Cat Fact!	Cats under the age of six weeks generally do not show any response to catnip.
Cat Fact!	The oldest known cat lived to an age of 38 years old. Her name was Creme Puff.
Cat Fact!	Cats can jump up to six times their length.
Cat Fact!	Unlike humans, cats are capable of drinking saltwater if necessary for survival.
Cat Fact!	Disneyland is home to approximately 200 feral cats.
Cat Fact!	Many domestic cats can reach a top speed higher than Usain Bolt's 2009 sprint speed record.
Cat Fact!	Estimates place the number of cats on Earth somewhere between 500 million and 1 billion.
Cat Fact!	No one knows the breed of Schrödinger's cat because no one ever asked him.
Cat Fact!	Cats generally purr at frequencies between 25 and 150 Hz.
Cat Fact!	Cats have the same number of vertebrae in their neck as humans - seven.
Cat Fact!	Cat nose prints are distinctive in the same way as human fingerprints.
Cat Fact!	Cats only require approximately a sixth of the light that humans need to see.
Cat Fact!	The first cat video on YouTube was posted in 2005.
Cat Fact!	A cat's resting heart rate is more than twice that of humans with similar levels of fitness.
Cat Fact!	Only one cat has ever been to space.
Cat Fact!	The richest cat in the world was Blackie, who inherited 12.5 million dollars in 1988.
Cat Fact!	"Litter" is the collective noun for a group of kittens born together.
Cat Fact!	"Clowder" is one of the multiple collective nouns for cats.
Cat Fact!	"Clutter" is one of the multiple collective nouns for cats.
Cat Fact!	"Pounce" is one of the multiple collective nouns for cats.
Cat Fact!	"Glaring" is one of the multiple collective nouns for cats.
Cat Fact!	"Kindle" is a collective noun for any group of kittens, even if not all born together.
Cat Facts	Meow!
Cat Facts	Meow Meow!
Cat Facts	Meow Meow Meow!
Cat Facts	Meow Meow Meow Meow!
Cat Facts	Meow Meow Meow Meow Meow!
Cat Facts	Meow Meow Meow Meow Meow Meow!
Cat Facts	Meow Meow Meow Meow Meow Meow Meow!
Cat Facts	Meow Meow Meow Meow Meow Meow Meow Meow!
xkcd Weather Notification System	Click here to get weather notifications!
Weather Notification Setup Wizard	Now determining your location! Don't worry, this shouldn't take too long.
Please choose your location	Are you in Albany? Click here to set your location to Albany.
Please choose your location	Ok, are you in Atlanta? Click here to set your location to Atlanta.
Please choose your location	Ok, are you in Boise? Click here to set your location to Boise.
Please choose your location	Ok, are you in Boston? Click here to set your location to Boston.
Please choose your location	Ok, are you in New York City? Click here to set your location to New York City.
Please choose your location	Ok, are you in Saint Louis? Click here to set your location to Saint Louis.
Please choose your location	Ok, are you in Anchorage? Click here to set your location to Anchorage.
Please choose your location	How many more cities can there be?! Uh, ok, are you in Idaho Falls? #3rd to last
Please choose your location	[getting desperate] Are you in Newport News, VA? #2nd to last
Please choose your location	[increasingly desperate] Fargo???? #last
Weather location selected	I'm sorry! That's all the cities I know! Oh no. What do we do?? Uhhh. Setting your location to MOUNT WASHINGTON SUMMIT, NEW HAMPSHIRE.	If the user didn't interact with any of the "choose your location" notifications, this notification will eventually show up.
Weather Information	You are subscribed to weather reports for (City)	After selecting a location, the user will receive this notification with (City) substituted with the city they chose. If the user had waited until Mt. Washington was automatically selected as a fallback option, (City) will be substituted with MOUNT WASHINGTON SUMMIT, NEW HAMPSHIRE, in all caps. This pattern follows for the other notifications that reference the chosen (City) name.
Weather report from Albany	KALB 092251Z 33010KT 10SM FEW060 FEW120 FEW260 04/M09 A3023 RMK A02 SLP241 ASCL DSNT W T00441094	Depending on the city you picked (see the "choose your location" notifications), the website will periodically send notifications containing METAR data. The weather station producing these data (the first 4 letters) is chosen depending on which city the user has selected. Weather station codes selected for each city: Albany: KALB Atlanta: KATL Boise: Boston: New York City: Saint Louis: Anchorage: Idaho Falls: Newport News, VA: Fargo: KFAR MOUNT WASHINGTON SUMMIT, NEW HAMPSHIRE: KMWN You can view historical METAR and TAF data of any station here.
xkcd News	We’ve launched a Youtube channel for What If? videos! Ring the bell, like, and subscribe!	Clicking this notification redirects the user to xkcd's What If? YouTube channel.
System Log	(INFO): A user has paused notifications	This notification is likely the result of a random other user clicking the "Silence Notifications at a Cost" button. According to the button's description, pressing it will temporarily pause notifications, but two other users will get this message instead.
Constant Reminders	At the tone, Zero will be a Real Number
Constant Reminders	At the tone, your favorite number will equal 14
Constant Reminders	At the tone, The Golden Ration will equal half of 1 plus SQRT(5)	This notification is a play on the concept of golden ratio, a popular and well-studied mathematical constant. (1+SQRT(5))/2 is the exact value of the golden ratio.
Constant Reminders	At the tone, The Golden Ratio will equal half of 1 plus SQRT(5)	There seems to be two versions of this notification, one with a "typo" (ration) and one without.
Constant Reminders	At the tone, Pi will equal the ratio of a circle's circumference to its diameter.
Constant Reminders	At the tone, Pi will equal half the value of Tau.	While Tau can be defined independently, it is usually defined as 2 times Pi, which makes this notification a circular definition.
Constant Reminders	At the tone, Theodorus' constant will equal sqrt(3)
Constant Reminders	At the tone, The Silver Ratio will equal 1 plus SQRT(2)	The silver ratio, also known as silver mean, is a geometrical proportion that indeed has the value of 1+SQRT(2). Its name derived from golden ratio, since both are the positive root of a certain quadratic equation.
Constant Reminders	At the tone, Euler's Number will equal the limit from n to infinity of 1 plus 1 over n to the nth power
Constant Reminders	At the tone, the luminosity of the sun will be L☉
Constant Reminders	We are currently experiencing 3600±1 seconds per hour. Changes to this rate will be announced 6 months in advance.	This is a reference to the standard Leap Second procedure.
Constant reminders	The Earth is spinning at a rate of 1 rpd	rpd stands for "revolutions per day", a unit for how fast something is spinning. A day can be defined as the length of time it takes for the Earth to complete one full revolution. Thus, saying that the Earth spins at 1 rpd is a circular definition.
How many times can you click this?	You’ve clicked this notification 0 times	Each click triggers another notification with the click count incremented. At each identified click count, the source changes to the corresponding text and remains there until the next threshold is reached, except for the "Super-special offer!" notifications. Clicking on a "super-special offer!" notification resets the click count to zero, but the click count will now increment at double the previous rate.
Hey you're pretty good at this...	You've clicked this notification 10 times
You're really good at this...	You've clicked this notification 20 times
Are you sure you want to keep going?	You've clicked this notification 30 times
You're going to break something!	You've clicked this notification 40 times
Super special offer!	You've clicked 50 times. Click here to turn in those clicks to turn your future clicks into double clicks!
Upgrade!	Enjoy your doubly good clicking.
You're breaking something!	You've clicked this notification 50 times
You're breaking everything.	You've clicked this notification 60 times
Stop! Please!	You've clicked this notification 70 times
You're going to crash the system!	You've clicked this notification 80 times
You've crashed the system.	You've clicked this notification 90 times
Super special offer!	You've clicked 100 times. Click here to turn in those clicks to turn your future clicks into double clicks!
Why?	You've clicked this notification 100 times
Okay I kind of get it but...	You've clicked this notification 150 times
Super special offer!	You've clicked 200 times. Click here to turn in those clicks to turn your future clicks into double clicks!
There's no more notifications	You've clicked this notification 200 times
You've clicked all the notifications	You've clicked this notification 250 times
Okay just one more	You've clicked this notification 300 times
Super special offer!	You've clicked 400 times. Click here to turn in those clicks to turn your future clicks into double clicks!
You're just doing this to annoy me	You've clicked this notification 500 times
Super special offer!	You've clicked 800 times. Click here to turn in those clicks to turn your future clicks into double clicks!
You're just doing this to annoy you?	You've clicked this notification 1000 times
Super special offer!	You've clicked 1600 times. Click here to turn in those clicks to turn your future clicks into double clicks!
I guess it worked	You've clicked this notification 2000 times
Super special offer!	You've clicked 3200 times. Click here to turn in those clicks to turn your future clicks into double clicks!
Super special offer!	You've clicked 6400 times. Click here to turn in those clicks to turn your future clicks into double clicks!
Super special offer!	You've clicked 12800 times. Click here to turn in those clicks to turn your future clicks into double clicks!
Super special offer!	You've clicked 25600 times. Click here to turn in those clicks to turn your future clicks into double clicks!
Super special offer!	You've clicked 51200 times. Click here to turn in those clicks to turn your future clicks into double clicks!
Wow, You're really into this	You've clicked this notification 1000000 times
Super special offer!	You've clicked 102400 times. Click here to turn in those clicks to turn your future clicks into double clicks!
This is how you spend you time now?	You've clicked this notification 10000000 times
Persistence is thy name	You've clicked this notification 25000000 times
You're still here?	You've clicked this notification 100000000 times	A reference to the post-credits scene from "Ferris Bueller's Day Off".
It's over... go home...	You've clicked this notification 1000000000 times
...	You've clicked this notification 10000000000 times
Super special offer!	You've clicked 439804651110400 times. Click here to turn in those clicks to turn your future clicks into double clicks!...
How many times can you click this?	Whoops, did you mean to stop clicking these? We've given you a free click to keep you going. Click here to extend your streak of (N) clicks!	Appears if you have a click count above zero but have stopped the chain of clicks. (N) is replaced with the current number of clicks you have. Upon clicking this notification, you are in fact given one free click. The source is whichever one is appropriate for your current click count.
Erroneous Alert	⚠️ Error: Too many errors
Erroneous Alert	⚠️ Error: Not enough errors
Erroneous Alert	⚠️ Error: It's too quiet.
Erroneous Alert	⚠️ Boop.
Erroneous Alert	⚠️ Error: I forgot whether I'm the server r the client
Erroneous Alert	⚠️ Error: I forgot whether I'm the server or the client
Erroneous Alert	⚠️ Kernel Panic: Kernel can't remember what number comes after 38	A kernel panic indicates an unrecoverable error in the operating system. Here, the kernel is described to "not remember" the sequence of numbers, a skill that is fundamental for machines. One can argue that failing to compute as a computer is a valid reason for a system-wide failure.
Erroneous Alert	⚠️ Error: Not enough extensions installed
Erroneous Alert	⚠️ Error: I received your request but decided to ignore you.
Erroneous Alert	⚠️ welcome datacomp
Erroneous Alert	⚠️ Error 40¾: HTTP error table corrupted.	The error code "40¾" is displayed with Zalgo text for corrupted effect. Clicking on this notification sets the comic to the following image, where Cueball is seen shielding himself from a tentacle that has reached out from his laptop screen.
Erroneous Alert	⚠️ Error 418: I'm a teapot.	A reference to the Hyper Text Coffee Pot Control Protocol.
Erroneous Alert	⚠️ Your computer has encountered an error.	Clicking on this notification will change the comic to the pane where the laptop is on fire.
Erroneous Alert	⚠️ The website has encountered an error.
Erroneous Alert	⚠️ Gravity malfunction.	Clicking this notification will change the comic pane to one where Cueball, the desk, and the laptop are floating in the air.
Erroneous Alert	⚠️ Error: Website is dangerously overloaded. Click to empty computer ballast tanks.	Clicking this notification will change the comic pane to a flooded one.
Erroneous Alert	⚠️ Error: Computer size limiter has encountered a problem. Click to deactivate it.	Clicking this notification will make Cueball's laptop larger.
Comment and Subscribe	Leave your thoughts in the comments below!	Clicking this takes you to a seemingly random Wikipedia talk page.
An old xkcd comic has been posted	Comic #11 was posted on 1 January 06	ISO 8601
An old xkcd comic has been posted	Comic #301 was posted on 10 Aug 07
An old xkcd comic has been posted	Comic #359 was posted on December 19 07
An old xkcd comic has been posted	Comic #552 was posted on March 6 09
An old xkcd comic has been posted	Comic #1062 was posted on 30 May 2012
An old xkcd comic has been posted	Comic #1600 was posted on 11/06/15
An old xkcd comic has been posted	Comic #1694 was posted on June 15 16
An old xkcd comic has been posted	Comic #2369 was posted on 2020-10-07
An old xkcd comic has been posted	Comic #3054 was posted on Feb 21 25
An old xkcd comic has been posted	Comic #3062 was posted on Mar 12 2025
Carriage Return Line Feed	The next station is Putney Bridge. Please mind the gap between the train and the platform.
Carriage Return Line Feed	The next station is Barbican. Please mind the gap between the train and the platform.
Carriage Return Line Feed	The next station is Fairlop. Please mind the gap
Current time	The current time is five o'clock
xkcd.com	This site has been updated in the background.
Word game	Click here to enter a Notification Word
Word game	Your word has been set to (word). This selection is permanent and can never be modified.
Word game	Someone else has selected the word (word)!

Comic images

Image	Transcript and explanation
	Cueball sitting at his desk, with his laptop.
	Cueball sitting at his desk, with a very large laptop.
	Cueball sitting at his desk, with a small potted plant.
	Cueball sitting at his desk, with a squirrel in the pot.
	Cueball sitting at his desk, with a much larger plant that has clearly outgrown the pot, at least vertically.
	Cueball sitting at his desk with the larger plant, with a cat on one of the branches.
	A second image of Cueball sitting at his desk with the larger plant with a cat on one of the branches, but in a different spot.
	Cueball sitting at his desk, with a cat in the foreground near the point of view.
	Cueball sitting at his desk, his chair replaced with a large cat.
	Cueball sitting farther back from his desk, with the laptop on the desk on fire. This image also appears if xkcd.com is denied the permission to send notifications (see the explanation above).
	Cueball, the desk, and the laptop floating in the air.
	Cueball spinning in his chair.
	Cueball sitting on the desk, facing the laptop on the chair.
	The desk vacant with "Game Over" displayed if you use the emergency stop.
	Cueball sitting at his desk, with a laptop on the desk, and a sword leaning against the desk on the other side.
	Cueball and Ponytail swordfighting while the computer has an hourglass icon, referencing 303: Compiling.
	The room flooded 2/3 of the way up the desk. Cueball is still sitting with his laptop.
	The same flooding, with a miniature sailboat behind Cueball.
	The same flooding, with a cat face behind Cueball.
	The same flooding, with a shark fin on the far side of the desk, facing toward Cueball.
	Cueball sitting at the desk, which has been extended behind his laptop like a long meeting table.
	No Cueball, only the chair, desk, and laptop.
	Cueball using the laptop on his lap, with no desk.
	Cueball with a squirrel on his head.
	A squirrel sitting at the desk, seemingly using the laptop.
	Cueball standing on top of the laptop keyboard.
	Cueball sitting at the desk, wearing a wizard hat.
	Cueball sitting on the floor behind the desk.
	Cueball sitting in his chair, shielding his face from a tentacle coming from the computer screen.
	Cueball sitting at his desk, typing on his laptop, while in an office chair raised to an excessive height – likely a reference to 2144: Adjusting a Chair.
	The cat that appears after returning to the comic window after leaving it idle for long period of time. It has a unique title text of ":3".

Transcript

This transcript is incomplete: Need to finish the transcript in the table ABOVE, it's not detailed enough. If you can fix this issue, edit the page!

[Cueball sits at a desk in an office chair. He is typing on a computer.]

[Gray message boxes with a small circled “x” at the top right corner are shown:]

Happy April 1st (observed)!

To celebrate, we were excited to introduce a new xkcd.com feature: push notifications for new comics!

Unfortunately, this feature has gone horribly wrong.

Until further notice, we are asking people NOT to sign up for new comic notifications.

Frankly, we recommend not even clicking on any notifications to learn more.

Click this notification to learn more! (a circled arrow is shown)

“Push notifications for new comics” sounds like a simple feature, right?

There’s a nice API for browser notifications. xkcd updates three times a week.

So you just send a notification for each update, right?

That’s what we thought, too.

Click to continue! (a circled arrow is shown)

[To the side of the comic frame is a big, horizontal hexagonal stop sign]

Sign: Emergency STOP

Below the sign: Halt ALL notifications and forget everything

The good news is that we did build a button to stop xkcd new comic notifications.

You can press this button at any time and the system will stop sending you notifications.

The nightmare will be over and the server will forget you ever existed.

This part definitely works.

The rest of the system does NOT work. (a circled arrow is shown)

We’re sorry.

We don’t know how things went so wrong.

The system is sending more than three notifications a week. A LOT more.

We cannot recommend signing up for xkcd new comic notifications at this time.

Click here to ignore the warnings. (a circled arrow is shown)

No, really.

Our notification system may send a large number of very real system notifications.

These may flood your browser, displace other notifications, and cause problems.

⚠️DO NOT ENABLE XKCD NEW COMIC NOTIFICATIONS⚠️

Yeah, I get it, but I definitely want to enable xkcd new comic notifications. (a circled arrow is shown)

Are you sure?

Yes! (a circled arrow is shown)

Absolutely sure?

YES!! (a circled arrow is shown)

To enable push notifications on mobile you need to add xkcd.com to your home screen.

Click here to subscribe to xkcd notifications

[Initial static image shows Cueball sat on an office chair at a desk using a laptop computer. A notification 'window' is speech-bubbled above the computer]

[Grey notification box, header:] April 1^st (Observed)

[Notification box, further text:] Open xkcd.com to view.

Laptop: [Warning sign.]

[When viewed live, various xkcd-style popover notifications appear, each can be dismissed or (usually the last on every page) invited to press an 'onwards'-style button.]

[First page of messages]

Happy April 1^st! To celebrate, we were excited to introduce a new xkcd.com feature: Push Notifications for new comics!

Unfortunately, this feature has gone horribly wrong.

Until further notice, we are asking people NOT to sign up for new comic notifications.

Frankly, we recommend not even clicking on any notifications to learn more.

[Notification with 'onwards button':] Click on this notification to learn more

[Upon choosing to continue, further messages appear, replacing any prior ones left open]

"Push Notifications for new comics" sounds like a simple feature, right?

There's a nice API for browser notifications, xkcd updates three times a week.

So you just send a notification for each upafte, right?

That's what we thought, too.

[Notification with 'onwards button':] Click on this notification to continue

[Next set of popover messages]

The good news is that we did build a button to STOP xkcd new comic notifications.

You can press this button at any time and the system will stop sending you notifications.

The nightmare will be over and the server will forget you ever existed.

This part definitely works.

[Notification with 'onwards':] The rest of the system does not work.

[To the right of the comic frame, a red, octagonal button has white text upon it:]Emergency Stop

[Below the button is red text:] Halt all notifications and forget everything

[Next set of popovers, "stop" button remains permanently so long as you continue]

We're sorry.

We didn't know how things went so wrong.

The system is sending more than three notifications at this time.

['Onwards' notification:] Click here to ignore the warnings

[Next set.]

No, really.

Our notification system may send a large amount of very real system notifications.

These may flood your browser, displace other notifications, and cause problems.

[Text bookended by warning triangles:] Do not enable xkcd new comic notifications

['Onwards':] Yeah, I get it, but I definitely want to enable xkcd new comic notifications

[Just two popovers, initially]

Are you sure?

['Onwards':] Yes

[On clicking onwards, two more appear below]

Absolutely sure?

['Onwards':] Yes!!

[On clicking, a further popover]

[Red-tinted 'onwards'-style popover with warnings:] Click here to subscribe to xkcd notifications.

[...something appeared then dissappeared...]

[Genuine(?) browser dialogue activated:] xkcd.com wants to send you notifications. Block / Allow

[If allowed, one more popover in the original style]

Success!!

[Below the Emergency Stop button, an oval gray button appears labeled in white:] Silence notifications at a cost

[Below that, in grey text:]Temporarily pause your notifications at the cost of notifying two random people.

[Further changes include the contents of the comic. The transcript for these changes is available on the Comic images section.]

Trivia

• This comic was posted 8 days late, as noted by the first notification the user is presented with.

• There are two typos in two different notifications. In the notification "⚠️ Error: I forgot whether I'm the server r the client", "or" is misspelled as "r", and in the notification "At the tone, The Golden Ration will equal half of 1 plus SQRT(5)", "ratio" is misspelled as "ration". It is unknown whether these were inserted by mistake or were part of the humor, especially because there are also two versions of these notifications that are not misspelled.

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Discussion

So...this is the April Fool's comic, if I'm not mistaken... Oh ye of little faith! 172.71.26.106 20:00, 9 April 2025 (UTC)

I turned this on thinking it would just be a few every so often but I quickly realized how this is xkcd and it doesn't "joke". I had to turn this off because it disrupted my schoolwork by popping up every fricking 5 minutes -- Moss (talk) 20:22, 9 April 2025 (UTC) (please sign your comments with ~~~~)

Personally, I'm disappointed by how long I have to wait between notifications. 172.71.178.32 15:39, 10 April 2025 (UTC)

Apparently my employer (or ublock) is keeping me from experiencing the full effect of any notifications. All I get is "An *actual* error has occurred. 162.158.91.173 20:52, 9 April 2025 (UTC)

Yeah, I'm confused too. I've tried Chrome and got nothing. I've tried Edge and got effectively nothing. I progressed one message further, but nothing showed up. No notifications, popups, or whatever. And I have never installed an add-on for Edge. Edge did give me access to the game over screen by disabling notifications, but when I tried to re-enable them, nothing happened.

Is this a mobile-only thing? EebstertheGreat (talk) 02:51, 10 April 2025 (UTC)

I'm having the same issue. Firefox doesn't work, which I understand, but neither does Safari. I haven't gotten a single notification. Mushrooms (talk) 06:57, 10 April 2025 (UTC)

Problem solved! Turns out I *was* getting notifications, I just wasn't seeing them. --Mushrooms (talk) 07:07, 10 April 2025 (UTC)

Where were you getting them? 172.70.207.212 17:08, 20 April 2025 (UTC)

What the heck are the "Zoom Notification" ones, with just a pair of numbers? Now that I've been sitting with this for a little bit, they're by far the most common notifications, and the most mysterious. What is "zoom"ing or should be zoomed-in-on or whatever, and what do the two numbers signify? 172.68.22.75 20:35, 9 April 2025 (UTC)

I think they're coordinates. So far (x,y) has had x from 4 fo 73 (that I've seen) and y from 2 to 28. That gives a tad over 2000 possible combinations, but omething tells me there won't be more than 500 or so in total. Quite a few y=24 (not yet adjacent by x), and any given x has 0 to 3 different y partners (so far). They do repeat (I'm not recording how many times, but I'm scatterplotting what I get). The ones prefixed with "oh look!" are tightly clustered in x=6..13 and y=4..11, so far, with no non-"oh look!" ones there, so I'm plotting them in a different marker. I suspect, after many many more Zoom Notifications, I'll be left with (enough of) a pixelated image's pixels (of two types, background colour excluded), or else I'm doing it wrong and I should be drawing lines between the dots, but I never managed to grab them all, so I'm relying on it being a random "spraygun droplets" sort of image-reveal. (Still some way to go...) 172.71.241.66 23:08, 9 April 2025 (UTC)

Also, Zoom is a video chat app, if you didn't know that. That's the joke. EebstertheGreat (talk) 02:53, 10 April 2025 (UTC)

"They're by far the most common" - not for me - I got a couple early on, and nothing since. All I'm getting now (apart from cat ones when I click a cat) is constant 'comment and subscribe' ones.172.71.178.28 16:07, 10 April 2025 (UTC)

Last night, right from the start (well, as soon as I got around to going through the process, after I started this Talk page off), Zoom stuff was the most common. The messages would change as I was documenting them, they were more frequent than the "you have clicked N times" ones. This morning, on reconnecting (exactly how much "Push" there is to the Push Notifications, I don't know, I suspect it's more long-polling in the end), I have had zero new Zoom messages, the "clicked N times" had promoted itself to "click Nth away, N+1th pops up immediately" most of the time, with Constants and Leave A Message On This Random Wikitalk and Old Comic Published essentially, tying for next most frequent, except for when the occasional Cat Facts splurge gets mixed in (all this without re-viewing the comic-page's tab).

Anyway, my "spraygun coordinates" list hasn't been expanded all today. I was wondering if its frequency had been reduced, server-side, because it was turning out to be the most polled (and/or pushed) bit of information... And that happened while I was asleep anyway.

Whilst writing this, I only actually got three alerts... Old Comic, Erroneous Error and Have You Seen My Cat? No... now four, just had a Constant Reminder. Earlier today, I'd have had twice as many in merely a few seconds, at times. So maybe (effective) throttling back has happened across the board, one way or another. 172.69.43.171 21:16, 10 April 2025 (UTC)

I got multiple "At the tone, your favorite number will be 14", and I don't lnow what to do with that... Is 14 a reference? 172.68.234.180 (talk) 10:00, 24 April 2025 (please sign your comments with ~~~~)

Table of notification

Made a new page called 3074: Push Notifications/Table of Notifications, much like 1506: xkcloud/List of Permalinks. I’m hoping that we can put all of the possible notifications into the table, along with any possible images that go along with it and an explanation (if necessary). 42.book.addict^{Talk to me!} 21:26, 9 April 2025 (UTC)

I think it might be a good idea to make the table something more like source/name/notification, because there are chains of notifications where the name changes, like the How Many Times Can You Click This? notification. --Magicalus (talk) 23:19, 9 April 2025 (UTC)

Might even want to track the URL that the notification leads to in the cases where it opens a new tab. 172.71.142.57

Did you mean a page much like 1506:_xkcloud/List_of_Permalinks? 162.158.175.171 01:25, 10 April 2025 (UTC)

Weird, someone changed that. I just reverted it. --Jack (t|c) 02:07, 10 April 2025 (UTC)

Yes, the user behind this change appears to have a keyboard->leopard sort of autochanger active (for cloud->butt) (unless they're deliberately doing it alongside deliberate changes to try to get it under the radar?)... I reverted something else they did, with the intention to check everything else (in Right Click's explanation) and unreverting the actually good changes. 172.70.162.160 08:39, 10 April 2025 (UTC)

It's like herding LOLcats... anyone else remembering the Secretary arc about now? 172.71.142.2 16:12, 10 April 2025 (UTC)

I clicked on the silence notifications at a cost button a lot and it set Cueball's PC on fire?

Code source

I found what is presumably the source code (?) of the comic through the transcript. It’s all JS pages. No idea what they mean (I’m not good with code), but I’m sure that there are some on here that can help dissect it. 42.book.addict^{Talk to me!} 21:50, 9 April 2025 (UTC)

https://xkcd.com/3074/marconi/manifest.json

https://xkcd.com/3074/marconi/static/js/42.4f5b21b3.js

https://xkcd.com/3074/marconi/static/js/index.js?v=1

I found this list of states in there, saved to the "iU" variable: intro, wordgame, gameover, biglaptop, boat, default, floating, longdesk, missing, nekotree, nekotree2, nekowater, nodesk, onfire, peek, shark, spinning, squirrel, squirreldesk, squirrelplant, standing, sword, tallchair, tentacle, water, wizard, bigplant, catchair, catonhead, compiling, floor, plant, reverse. Presumably, this is all the images we're looking for. I'll get back to you if I identify what chooses them or all their actual filepaths. --Jack (t|c) 00:43, 10 April 2025 (UTC)

I found more urls:

https://xkcd.com/3074/marconi/static/js/async/marconi-sw.e9d36d05.js

https://xkcd.com/3074/marconi/static/js/async/491.7b4e7556.js

https://xkcd.com/3074/marconi/static/js/async/491.7b4e7556.js --172.69.23.45 03:11, 10 April 2025 (UTC)

I have a sneaking suspicion the Zoom Notifications are sketching out an image of some sort (Update: after plotting like 60 of them no apparent pattern is to be found) SkiesShaper (talk) 22:24, 9 April 2025 (UTC)

I've plotted 397 and it seems to be forming some kind of animal. Maybe a cat, given the comic theme? 172.68.35.119 23:24, 9 April 2025 (UTC)

That could make sense yeah - there is definitely an organic sort of pattern emerging from the points I've been plotting out SkiesShaper (talk) 00:35, 10 April 2025 (UTC)

I'm pretty sure it's a turtle. I have 311 points so far and while it isn't clear, it looks like a turtle. IMW (talk) 01:51, 10 April 2025 (UTC)

After plotting more I think the "Oh look" coordinates help with drawing out a butterfly sitting on the left side of the turtle. IMW (talk) 03:36, 10 April 2025 (UTC)

I also am seeing a turtle after graphing the non-“Oh look” ones (and flipping the image vertically). Could the “Zoom notifications” be a reference to 1416: Pixels, which is about “zooming” in on turtles? 172.68.12.119 12:54, 10 April 2025 (UTC)

Is it fractal? If you zoom in, is it turtles all the way down? 172.68.186.43 14:15, 10 April 2025 (UTC)

Once we have enough coordinates, someone should plot them and upload the image. 172.71.142.56 23:07, 10 April 2025 (UTC)

when the image is saved, it appears to have a hex code as a file name. could be some other thing though Pncak (talk) 04:07, 10 April 2025 (UTC)

Apparently one of the notifications is: "The Earth is spinning at a rate of 1 rpd" This is true if you round it, but not exact. The time it takes to rotate is called a sidereal day, and there's one extra sidereal day a year. Basically, there's one solar day removed in a year, because the Earth's motion around the sun cancels it out. Think of it with a tidally locked planet. It spins around once a year, but the sun never moves. Really there's 1.0027379 rotations per day. DanielLC (talk) 23:02, 9 April 2025 (UTC)

then it is rotating at 1 revolution per sidereal day, which could still be written as 1 rpd guess who (if you desire conversing | what i have done) 05:23, 10 April 2025 (UTC)

This is the most chaotic comic I've seen in a while. Part of me wants to keep notifications on to see what happens, and part of me wants to turn it all off and throw my phone in a lake Alcatraz ii (talk) 00:40, 10 April 2025 (UTC)

Should we start uploading different images? guess who (if you desire conversing | what i have done) 03:48, 10 April 2025 (UTC)

And should we create a new page for the images or put them all on the same page, like with umwelt. guess who (if you desire conversing | what i have done) 03:49, 10 April 2025 (UTC)

Underneath the "Silence Notifications at a Cost" button, it says "Temporarily pause your notifications at the cost of notifying two random people". Does anyone know how for how long notifications stay silenced, or if there is a way to "unsilence" notifications? Also, when I click on the cats they just disappear. PDesbeginner (talk) 04:09, 10 April 2025 (UTC)

When I click on the cats I get a push notification with a cat fact.172.70.127.58 05:35, 10 April 2025 (UTC)

Just like any other button, you can click it really fast by clicking the button and then holding "enter" or spacebar. guess who (if you desire conversing | what i have done) 04:35, 10 April 2025 (UTC)

Someone should probably comment on "April 1st (observed)". I assume it's a reference to the fact that the comic is late? --Mushrooms (talk) 07:53, 10 April 2025 (UTC)

Aye, as in: observed #2 172.71.26.43 08:02, 10 April 2025 (UTC)

Is it morally wrong to spam the temporary silence button, just because I want to give other people notifications? Broseph (talk) 08:01, 10 April 2025 (UTC)

Notifications are so 2024. Ever since Trump imposed the penguin tariffs, dmesg is where it's at. 162.158.91.126 09:07, 10 April 2025 (UTC)

Finally yay!! Aprilfoolsupdate! (talk) 10:28, 10 April 2025 (UTC)

Where have you been? ;) 172.71.178.160 10:39, 10 April 2025 (UTC)

Good, we don't have to hear you whine like a baby anymore 172.70.100.202 18:54, 10 April 2025 (UTC)

I got the file for "Cueball sitting at his desk, with a cat in the foreground near the point of view.", what do I do to add it :⁾ Toby (talk) 13:24, 10 April 2025 (UTC)

upload it if you can (with the exact file name from imgs.xkcd.com), or copy paste the link here and someone else with uploading rights can upload it. the upload button should be under tools in the left side, under related changes and above special changes. or, you can click this link 42.book.addict^{Talk to me!} 16:29, 10 April 2025 (UTC)

If you refresh the screen when a clickable cat is on it, it moves. 162.158.62.173 14:49, 10 April 2025 (UTC)

Zoom notification coordinates

I am making a sheet with the cordinates: https://docs.google.com/spreadsheets/d/133jGfOM6EVuEco4j2NumOAOv6pEealyZpbDoMkESXvs/edit?usp=sharing 108.162.216.81 01:31, 10 April 2025 (UTC)

I plotted about 1000 turtle points and about 100 "oh look" points, including all the points I could identify from previous images posted on this page, but I am new to the wiki and it says I don't have permission to upload my picture. Do I need to do more contributing first? By the way, the "oh look" points seem to be forming a squirrel! --SapphireHarmony 19:03, 1 May 2025 (UTC)

There is a threshold for directly uploading, yes. Easiest/quickest thing to do is to put it on some imgur-like site, give the link to it here and then rely on a friendly neighbourhood uploader to scrape it off there and into here. I assume it's a bit more complete than the image already on the comic page? Or would you care to take that data (and/or all the recoded points in the appropriate sub-page table) and merge it with what you have, to make something that's potentially got more points in it than any of the other collections? 162.158.74.109 00:27, 2 May 2025 (UTC)

Here's the link to my current image: https://imgur.com/a/R09e5wt. And yes I already added as many points as I could identify from the previously posted images, thank you to the people who posted those (that's how I was able to get enough to identify the squirrel)! --SapphireHarmony 20:23, 2 May 2025 (UTC)

Thanks! I updated the image. --FaviFake (talk) 09:16, 3 May 2025 (UTC)

I also collected some coordinates a while ago: https://pastebin.com/7G34nwAK. It's not as comprehensive, but it fills some of the holes in SapphireHarmony's picture. This image and this list also seem to fill in some gaps, so it would be great to merge these 4 sources into a single picture. Do we have the data from the two images available in text format? DarkMatter (talk) 10:45, 3 May 2025 (UTC)

That's great! SapphireHarmony said their image was also based on the old black-and-white images, so I think we can mark them as included, unless you found some empty points in the new one that were already included in the previous images. I guess we only need to fill in the gap using the spreadsheet at the top of this topic, by the IP contrinbutor, and your own Pastebin list! It would be great if you could insert any of the coordinates you find in the spreadsheet or your list into this wiki's table, so we have a single source we can use that contain everything. --FaviFake (talk) 12:32, 3 May 2025 (UTC)

I was using Desmos to create the graph, here's a link to the graph if you want to make a copy off it and add more points, or see the list of points I was using https://www.desmos.com/calculator/nzc9jfdvyq. The x1 and x2 lists are the points I personally collected, and x3 and x4 are the ones I didn't already have that I scraped from other sources (though I may have cross-contaminated a few points between lists). I copied as many points from the black-and-white one as I could, but it's possible I missed some. Yes please add more points if you have some! --SapphireHarmony 15:30, 3 May 2025 (UTC)

Thanks for the Desmos link! I've exported your x1 and x2 coordinates and merged them with the data from the other 4 sources. I didn't include your x3 and x4 since those are meant to be duplicates - but I did notice two pixels from there, (73, 21) and (35, 14), that didn't appear in any of the 4 datasets (google doc, wiki's table, wiki's old picture, my pastebin). Did you use another source for those, or might they be typos? I've also uploaded a new image and updated the wiki's table with the combined data. There are still about 15 pixels missing from the turtle, but the squirrel now looks like it might be complete! DarkMatter (talk) 07:13, 4 May 2025 (UTC)

Like I said, I may have cross-contaminated a few points between lists, since I was keeping an eye on notifications to add new points while also copying over old points. Thanks for making the new picture! --SapphireHarmony 13:51, 10 May 2025 (UTC)

Notification typos

I revieved two typos in two different notifications: "Or" is "r" in a message saying that it's confused whether is is fhe server or the client. "Ratio" is "ration" in the message "At the tone, the Golden Ratio will be equal to one half of 1 plus SQRT(5)". Does everyone get those typos? 172.70.34.16

I don't know if they're typos or part of the humor. Enjoy your golden ration.  :) 162.158.63.41 16:33, 10 April 2025 (UTC)

I am not getting any notifications. I have three questions: 1) Does anyone know how long the "temporary silence" button lasts? 2) Does its effect last after you press the emergency stop button and re-subscribe to the nonsense? And 3) Is there just a problem with using Chrome? Thanks, Xnerkcd (talk) 17:49, 10 April 2025 (UTC)

Update, the clickable cats are showing up but not doing anything

They just sit there unless you refresh the screen. Then they can change where they are.162.158.62.108 17:52, 10 April 2025 (UTC)

The problem's fixed; my computer had notifications disabled :) Xnerkcd (talk) 17:56, 10 April 2025 (UTC)

Hi, I was able to get one of the currently placeholder images but just made this account to add it, looks like i'm to new to upload it. Is there a good way to get the file to the community? Namely it's the flooded one with the Shark Fin.--ItemCrafting (talk) 19:40, 10 April 2025 (UTC)

Links to both the Shark https://xkcd.com/3074/marconi/static/a592ca.png and the Foreground Cat https://xkcd.com/3074/marconi/static/cb0653.png .--ItemCrafting (talk) 20:23, 10 April 2025 (UTC)

Also Found: https://xkcd.com/3074/marconi/static/3b9830.png Large Tree, Current version looks to be a broken link. --ItemCrafting (talk) 20:39, 10 April 2025 (UTC)

thanks guess who (if you desire conversing | what i have done) 21:20, 10 April 2025 (UTC)

Here's the cat version of the tree: https://xkcd.com/3074/marconi/static/8eeb55.png Rerere284 (talk) 01:10, 11 April 2025 (UTC)

April fools comic!!! LETS GOOOOOOOOOOOOOOOOOOOOOOOOOO - me, hi (talk) 21:27, 10 April 2025 (UTC)

Cat reference

The cat image itself and the concept of cats appearing after leaving the page idle for some time are a reference to Neko Atsume --162.158.103.82 21:52, 10 April 2025 (UTC)

I don't seem to ever get more than 2 clickable cats at a time.104.23.190.37 18:57, 11 April 2025 (UTC)

Not working

The page doesn't work for me in Chrome on Google Plxel. I just get a image missing symbol. :( 172.71.98.245 22:54, 10 April 2025 (UTC)

Same here -- the image loads initially and then real quickly it's replaced by the broken image. This happens using m.xkcd.com, but not the "desktop" site version. Chromebook with ChromeOS: Version 134.0.6998.183 (Official Build) (64-bit); also broken on Pixel 8 Pro, Android 15. Elizium23 (talk) 23:10, 10 April 2025 (UTC)

Push Notifications disabled in browser

My browser config doesn't allow sites to request push notifications, and the result is that once I reach the point of enabling them, the laptop immediately blows up. Is this worth mentioning in the summary? 162.158.164.163 23:37, 10 April 2025 (UTC)

did your laptop blow up or the one in the comic? --172.71.114.7 10:52, 11 April 2025 (UTC)

Near the bottom of the current Transcript is the line, '[...something appeared then dissappeared...]'. I saw this too, and on the third time through the game, I did a screen recording. Two messages briefly appeared. [text and background in shades of red, all caps] "Error Sending Push Notifications" and [text in black, background grey, all caps] "OK, You Win. Setting Up Push Notifications. [2nd line] Just Remember, we tried to warn you." Nekoninda (talk)Nekoninda

My word is "battery", I'm sure there are also lots of people who chose "horse" or "staple". Correct? --172.69.68.91 14:27, 11 April 2025 (UTC)

Bird is the word, man.104.23.190.37 18:57, 11 April 2025 (UTC)

I was going to try "Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch", but accidentally submitted a blank word (it looks like others have too... well, the second part of my situation, I'm still not sure if the first bit even would have been accepted/enterable, never mind how many others would have tried it). 172.68.205.134 21:12, 11 April 2025 (UTC)

cat --me, hi (talk) 00:37, 12 April 2025 (UTC)

Mobile / Desktop behaviour depends on browser

I'm on Firefox for Android, and I got the signup behaviour described for the desktop version (no adfing to home screen; asks for Notification permission.) 172.71.95.57 08:17, 11 April 2025 (UTC)

I made a phone background using an image from this one! https://file.garden/ZXYYgWMYuz15fq8l/export202504102005490721.png JokinglyEvil (talk) 11:08, 11 April 2025 (UTC)

Picture list

Pictures are prefixed by https://xkcd.com/3074/marconi/static/??????.png, from the list :

• Misc : static/ead1d8.png static/59b30d.png static/388e5b.png
• Bkground : static/4ad340.png static/3b9830.png static/2c83c1.png static/9e4fd6.png static/9d658f.png static/83824a.png static/220211.png static/a0314e.png static/e2eca2.png static/d56a28.png static/20b757.png static/226279.png static/1f2fee.png static/0bfd44.png static/20be4a.png static/cb0653.png static/313380.png static/31a492.png static/11a4b5.png static/a592ca.png static/1450b1.png static/e0f706.png static/fa52d2.png static/69af58.png static/a7d30d.png static/3e33fd.png static/da85bd.png static/303e90.png static/6f48dd.png static/342f4d.png
• Messages: static/fc9dfd.png static/8d9c55.png static/aa973f.png static/923036.png static/9141a2.png static/5f9f66.png static/6af293.png static/935279.png static/b286f5.png static/67da67.png static/b9fc1b.png static/7abdee.png static/c2e227.png static/8bdac7.png static/7e02cf.png static/b07329.png static/c6de0e.png static/a464c9.png static/7f6e55.png static/a96735.png static/ff6357.png static/876854.png static/cb5124.png static/2235f1.png static/e01a73.png static/a75f92.png static/f41766.png static/456b99.png static/d3e6db.png static/da4d83.png static/f3de11.png static/867baf.png static/6b2d69.png static/2705b9.png static/bedb72.png static/f9b33d.png static/3e269d.png static/b034f4.png static/eea7ff.png static/e83fd7.png static/8ebf3f.png static/c6ac3d.png static/a9779a.png static/eddb3b.png

There is another list with the same pictures but twice as large (same order) :

"static/0890d4.png static/198d53.png static/bb9aa1.png static/4ad340.png static/cbe58c.png static/b5a217.png static/618dcc.png static/323351.png static/17d10b.png static/6c8053.png static/0690ec.png static/8576c0.png static/2b79e1.png static/a80810.png static/41143b.png static/8eeb55.png static/99bb67.png static/b84fdf.png static/f0de4f.png static/b0cec1.png static/a4158d.png static/dbc071.png static/c969b2.png static/f3b793.png static/0cd47d.png static/8a5b95.png static/2a2199.png static/63ed1d.png static/2a67b6.png static/7ec02f.png static/8e981d.png static/77a1d5.png static/e49d32.png static/fe60e1.png static/dd3fd2.png static/2b8643.png static/017e3a.png static/e46fe0.png static/6ad951.png static/ef2e76.png static/7d6018.png static/905794.png static/52870c.png static/a17724.png static/aa18ad.png static/1094f5.png static/39bffe.png static/8635c4.png static/d63451.png static/f2c3df.png static/5fa4ed.png static/00050e.png static/026b2f.png static/bcd4f8.png static/f777a4.png static/713981.png static/ed794b.png static/b3696b.png static/a2fc4c.png static/f468fd.png static/bc9195.png static/2ef6f1.png static/1682f4.png static/6a6479.png static/9dd25c.png static/a2e92d.png static/442a18.png static/2139a1.png static/5378fa.png static/8edfa4.png static/25c931.png static/91b6d9.png static/eb016f.png static/519d53.png static/554084.png static/301dc6.png static/4bfe91.png static/7b89ac.png" -- -- Biem (talk) 14:59, 11 April 2025 (UTC) (please sign your comments with ~~~~)

Hey Biem, could you perhaps use * to make your message into a list? Thanks. 42.book.addict^{Talk to me!} 15:08, 11 April 2025 (UTC)

I certainly could, but it would take page space with no added value... Biem (talk) 15:54, 11 April 2025 (UTC)

It would (in my humble opinion) make it more readable and easier to copy paste into a url. 42.book.addict^{Talk to me!} 22:01, 11 April 2025 (UTC)

I enabled notifications, and no more appeared. Maybe it just doesn't work with my browser? Cats keep appearing, but that's all. 162.158.212.132 16:39, 14 April 2025 (UTC)

Came back a while later and the chair was floating, so stuff is happening, but I don't know why it's not saying anything. I hope I don't just have browser notifications shut off completely... 162.158.137.163 20:54, 14 April 2025 (UTC)

I got multiple "At the tone, your favorite number will be 14", and I don't lnow what to do with that... Is 14 a reference? 172.68.234.180 (talk) 09:59, 24 April 2025 (please sign your comments with ~~~~)

Finishing

- How does the experience conclude if you subscribe and do nothing?

- How do you abort and escape?

- How do you remove traces from your device?

--Evanwolf (talk) 17:20, 12 May 2025 (UTC)
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