I'm currently watching The Anti-Social Network documentary on Netflix. So far it's gone through the origins of 4chan and Anonymous. Now we're into the Occupy protests.
If you watch, be prepared for a lot of Kirtaner.
Overall, I recommend it. Here's a brief review:
https://variety.com/2024/film/reviews/the-antisocial-network-memes-to-mayhem-review-1235961830/#!
Now we're into how 4chan helped influence the 2016 election.