What a Billion Was Worth in Tech in 2012

By Jordan Robertson and Mark Milian - 2012-12-10T22:54:42Z

Photograph by David Paul Morris/Bloomberg

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Peter Thiel Likes

Speaking of Facebook, Peter Thiel put $500,000 into the social network in 2004, making him one of the company's earliest investors. This year, the Facebook director sold most of his stake in the Menlo Park, California-based company for more than $1 billion. Talk about a return.

Other backers haven't done as well, given the slide in the stock since the company's IPO. So far this year, shares are down about 30 percent.