Some great anecdotes in there.
As an aside, surely a person of Carmack's stature and knowledge would have a dedicated blog. I have to wonder if his decision to post so many of these wonderful stories on Facebook might be due to some "pressure" from his employer.
sudo apt install finger
finger [email protected]
finger [email protected]
sigh. his old ones have been archived https://github.com/ESWAT/john-carmack-plan-archiveFinger was really great microblogging platform.