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/
This is a fair point. I'm a programmer and this kind of banter is not super common in my workplace. We are all a little bit odd in our own ways.