Jack: Twitter, Square (Block), Bluesky/ATProto, bitchat (interesting), buzz (we will see). He just always fumbles the 1 to N (See Vine as an example)
Other Twitter Guy: Medium
Zuck: PHP dev, gets a hit, reads innovators dilemma... buys instagram. Everything else sucks.
Yes Zuck because a product that didn't constantly fuck around with people's privacy settings and had real real-world uses... sure, money is all that matters. You would know. Your vision of the web isn't liberation, it's "dumb fucks", that's all you think people are