Funny stuff
Cartoons: https://xkcd.com/
Richard Stallman's collection: https://stallman.org/#humor
Reddit: https://www.reddit.com/r/ProgrammerHumor/
One of Carla Notorabot's Twitter posts: https://nitter.eu/CarlaNotarobot/status/1334127638223466499#m
btw.: Nitter is a nice frontend to Twitter: https://github.com/zedeus/nitter/
Catcha from Hell: https://vivirenremoto.github.io/doomcaptcha/
The UI Game: https://userinyerface.com/
