Every enterprise is "full of people that have hidden expertise, hidden connections and hidden influence," writes Evolve CEO Mark Fidelman. That's why it's crucial for executives to use tools such as SharePoint, Yammer and Klout to discover those who can have an outsized influence within a company. That won't mean "a new type of corporate caste system. It argues for using social data judiciously and in a responsible fashion," Fidelman writes.
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