FILE - In this May, 26, 2010 file photo, Facebook CEO Mark Zuckerberg talks about the social network site's new privacy settings in Palo Alto, Calif. The Wall Street Journal reported

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FILE - In this May, 26, 2010 file photo, Facebook CEO Mark Zuckerberg talks about the social network site's new privacy settings in Palo Alto, Calif. The Wall Street Journal reported Friday, Jan. 27, 2012 that Facebook is preparing to file initial paperwork for an offering that could raise as much as $10 billion and value the company at $75 billion to $100 billion (AP Photo/Marcio Jose Sanchez, File) less