Title text:
In 1899, people were walking around shouting ‘23’ at each other and laughing, and confused reporters were writing articles trying to figure out what it meant.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3184/


Yep I think pops here has this one, us Millennials grew up with leet speak, it already was a thing in the 80s.
That’s the first time anyone called me pops! NOW I feel old!
Sorry to hear that, gramps!
(Am also Gen X. Sigh…)
Yeah it was common on BBSes late 80s at least. Also am gen X.
People get confused because leet speak had a resurgence around 1997 or so.