It's one of many casually accepted, unchecked assumptions in Silicon Valley: Peter Thiel, the cofounder of PayPal and Facebook investor, is a billionaire, right? Leaked documents from his hedge fund, Clarium Capital, show he's not.

Clever libertarians don't just rail against government spending: They do something about it. Facebook investor Peter Thiel took $8 million from New York's pension fund — while setting himself up to avoid millions in taxes.

Hidden in Fortune editor Andy Serwer's stream-of-capitalism blog was this nugget: Slide CEO Max Levchin will soon wed longtime girlfriend Nellie Minkova. Minkova, pictured here with Levchin, works at Clarium Capital Management, the hedge fund of Peter Thiel, Levchin's cofounder at PayPal. For more of Minkova, see this excerpt from a New York Times video where she discussed domestic life with a boyfriend who works 18 hours a day: