Mark Zuckerberg announced in October 2012 that Facebook has now reached 1 billion users.
While it frequently fluctuates, some experts place Facebook's value just over $100 billion. Yahoo! Finance reveals the surprising numbers behind the social media titan's success.
Facebook's net income for 2011 hit $1 billion in 2011, on revenue of $3.7 billion.
86% of net income comes from advertising.
12% of Facebook's revenue comes via Zynga (Farmville).
According to the company's IPO filing, Facebook earned $668 million on revenue of $3.7 billion last year.
Founder and CEO Mark Zuckerberg owns around 28% of Facebook, pre-IPO.
4. Facebook -- Average monthly wage: $6,084
Zuckerberg spent roughly $800,000 on airplanes in 2011.
Peter Thiel, the co-founder of PayPal, invested $500,000 in Facebook in 2004. That investment will now be worth around $2.2 billion.
More than 80% of Facebook users come from outside the United States and Canada. The U.S. lost nearly 6 million users last year.
As of 2010, fifty percent of all Facebook users logged on in a given day. The average user spends nearly an hour on Facebook every day. Every 20 minutes, 10.2 million comments were made on the site.
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