Explain xkcd: It's 'cause you're dumb.
A GPO 746, the standard UK telephone from the late 1960s to the 1980s.
This is a take on the common insult "<year> called and they want their <item> back", used when one is wearing something out of fashion (used before in comic #875). In this case, the comment is literally true: someone in the '70s called, but did not leave a message. Instead, the caller is puzzled because answering machines and especially voicemail were rare or nonexistent in the 1970s, and his telephone has a rotary dial, rather than a touch tone, so he can't "press" 1.
The caller is wearing flared trousers (frequently associated with 1970s fashion), but no jacket, suggesting that it is his own jacket that has been stolen by the addressee, presumably using time travel. The caller is similarly using time-travel to directly dial a number in the present.
Originally telephones had rotary dials instead of buttons, hence the origin of the terms "dial tone" and "to dial a number". Touch tone phones were introduced in the 1960s, but weren't standard in many places until the 1980s.
The title text plays off the fact that the telephone had not yet been invented in the 17th century: in fact, all of the component technologies, including the materials used for the casing, were unknown at that point, and therefore the telephone is assumed to be supernatural in origin ("demonic... sorcery"). Randall uses the character "ſ", the long S, which was used in written English to take the place of the modern lowercase "s" in the beginning and middle of words; it was phased out around the beginning of the 19th century.
- Cueball: Nice jacket. Hey—
- Cueball: The Seventies called.
- Out-of-panel: Oh? What'd they want?
- [Cueball looking at smartphone in hand]
- Cueball: I don't know. They didn't leave a message.
- Out-of-panel: Weird.
- [Person in bell bottoms looking at a rotary phone receiver.]
- Voicemail service: If you'd like to leave a message, press "1".
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Can someone comment on the S-es in image's title text? I can read it, but don't know what they mean. Probably some old spelling.
Done Blaisepascal (talk) 16:52, 13 August 2012 (UTC)
Answering machines certainly had been invented by the 1970s (http://en.wikipedia.org/wiki/Answering_machine). The first practical commercial models started appearing in the 1960s and I had one that used an endless reel of magnetic tape in the 70s. Jonat (talk) 16:20, 6 December 2012 (UTC)
Touch tone phones were certainly around in 1974, although dial phones were still prevalent. Touch Tone dialing was introduced in the late 60s (it was a sufficient novelty that if you visited someone with TouchTone, they'd show it off) The "press 1" aspect came much later, with automatic voice response (AVR) systems, probably mid 80s, although dial phones were still in use ("or wait to be connected to an operator"). As noted by Jonat, answering machines with cassettes, loops, or reel to reel tapes were quite common in the 70s, as a result of the Carterfone decision allowing interconnection to the public switched system in the US.22.214.171.124 04:56, 22 January 2013 (UTC)Jim Lux
I've never encountered those "press 1 to leave a message"-type answering machines, only ones where it says: "[person you wanted to call] is not available at this moment. Please leave a message after the beep. *beep*". Maybe it's a US thing. 126.96.36.199 11:59, 8 December 2013 (UTC)
- Most voicemail systems here in the US, you just leave a message after the beep, and press 1 at the end for more options afterward before sending your message (e.g., to delete it and re-record). Some answering machines, though, (like the one on my landline) let a caller choose from several mailboxes by pressing a mailbox number during the outgoing message (e.g., "To leave a message for Aaron, press 1. To leave a message for Bob, press 2."). Most likely, Randall's just taking a small liberty to make the joke work. --Aaron of Mpls (talk) 20:20, 20 December 2013 (UTC)
Why does this revision say he has an incredulous look on his face, when he doesn't have a face? 188.8.131.52 03:04, 20 June 2014 (UTC)
- I've seen many incredulous chins in my time, and that chin reeks of incredulity. Kev (talk) 22:45, 17 January 2015 (UTC)