[OnlineGladiator]

Oculus was acquired for $2.3 billion, so he'd need to have owned nearly 50% of the company to become a billionaire from it's sale.

[mkl]

Not exactly. The acquisition was mostly in the form of Facebook shares, which I expect have increased in value since.

[OnlineGladiator]

It was a mix of cash and shares (not sure on the split), but I checked the stock price for fun - holy shit it has nearly tripled since the acquisition 5 years ago.