Bill Gates stole MS-DOS? So far as I know, he bought DOS to license to IBM. There's a difference between being a skillful hacker and being a shrewd businessman. Claiming that someone isn't a skillful hacker doesn't mean they are completely without brains/skills/etc.

MySpace were 'lucky' in that people latched on to their horrible interface because it had features that they wanted (to put music, videos, media on their 'homepage'). People could have easily rejected the interface despite yearning for the features.

Zuckerberg isn't necessarily a thief, but he certainly should have covered his ass a lot better with contracts and such. Though, with the amount of money that's on the line, there would be people coming out of the woodwork no matter how airtight of a contract they had.

  > It seems you can't be successful, especially in tech/web,

It's the "I thought of that too, so where's my money" syndrome. "I thought of The Clapper first! I should be the one making money!"