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"One of the strengths of Facebook Inc. (NASDAQ: FB), perhaps second to its one billion users, is the amount of time people spend on the social network. That length of time has been lauded as one of"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/02/06/a-crippling-blow-to-facebook/20450071/?gen=1>