Facebook announced Wednesday that it blew past investor estimates in its fourth quarter earnings, jumping to $3.57 billion in profit, mostly due to mobile advertising growth. In total, advertising revenue grew 53%, and 84% of its total advertising revenue growth in Q4 came from mobile. In an interview with TechCrunch, Facebook's Chief Finance Officer David Wehner also said the tech giant added more users in Q4 than any in its history.
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