Shocking numbers behind Facebook's success

Published On: Feb 03 2012 10:55:08 AM CST   Updated On: Oct 04 2012 12:14:40 PM CDT

Mark Zuckerberg announced today that Facebook has now reached 1 billion users. See other surprising numbers behind the social media titan's success.

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Tan Shung Sin / Reuters

Peter Thiel, the co-founder of PayPal, invested $500,000 in Facebook in 2004. That investment will now be worth around $2.2 billion.

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