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/


Yeah, I had my Facebook set to leetspeak back in the day when it was restricted to college students. Of course, Zuckerborg was still a POS and I got rid of my Facebook ages ago