I like this one, always makes me laugh because it's so miserably accurate:

https://www.mcsweeneys.net/articles/the-52-stages-of-insomni...

It's one thing to read about the click farms, but nothing can prepare one to actually see the videos of them in action - just visceral. It has an eerie Matrix-like feeling to it.

13 sec video of a Chinese click farm (quite loud):

https://twitter.com/mbrennanchina/status/1072114511212109824

10 sec - thousands of phones (not loud):

https://twitter.com/mbrennanchina/status/1148447866366464000