Facebook CEO Mark Zuckerberg unveils a new tool that aims to offer improved, more relevant search results. CNET's Sumi Das explains how the social network is trying to satisfy users' search needs.... more 
Facebook CEO Mark Zuckerberg unveils a new tool that aims to offer improved, more relevant search results. CNET's Sumi Das explains how the social network is trying to satisfy users' search needs. less 
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CNET
Tue, Mar 18, 2014 11:57 PM EDT