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NEW YORK (TheStreet) –– Thanks to unprecedented strength in its mobile advertising segment, Facebook (FB) - Get Facebook, Inc. Class A Report has become an advertising behemoth.

The company earned 54 cents a share on $3.85 billion in revenue for the fourth quarter. Analysts were expecting 48 cents per share on $3.8 billion in revenue, according to Thomson Reuters.

The company ended 2014 with 1.39 billion Monthly Active Users (MAUs), up 13% year-over-year. Mobile MAUs were 1.19 billion as of December 31, 2014, up 26% year-over-year and Daily Active Users (DAUs)  were 890 million on average for December 2014, up 18% year-over-year.

"We got a lot done in 2014," Facebook CEO Mark Zuckerberg said in the earnings release. "Our community continues to grow and we're making progress towards connecting the world."

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On the mobile front, mobile DAUs were were 745 million on average for December 2014, up 34% year-over-year. The company's other major segments, Instagram, Messenger and WhatsApp recently crossed 300M, 500M and 700M MAUs, respectively.

Shares closed up higher, gaining 1.1% to end at $76.60. Shares were slightly lower in after-hours trading following the results.

--Written by Chris Ciaccia in New York

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