Explain xkcd: It's 'cause you're dumb.
Hash tables aren't lossy, maybe Randall means hash functions? Barmar (talk) 17:06, 17 February 2023 (UTC)
GIF's aren't lossy either, though often other formats can't be converted to GIF without discarding information. Bemasher (talk) 18:27, 17 February 2023 (UTC)