PALO ALTO, CA - DEC 16: Facebook's massive overhaul to user profiles, dubbed Timeline, is now available for the social networks more than 800 million users worldwide on Dec 16, 2011 in Palo Alto, Ca
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PALO ALTO, CA - DEC 16: Facebook's massive overhaul to user profiles, dubbed Timeline, is now available for the social networks more than 800 million users worldwide on Dec 16, 2011 in Palo Alto, Ca