What Is Dick Costolo's Management Style at Twitter?

March 25 (Bloomberg) -- Twitter CEO Dick Costolo discusses his management style in an interview with Emily Chang on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

Is Snapchat Really Worth $18 Billion?
26:09 - Dan Rosensweig, Chegg chief executive officer, and Bloomberg's Mark Milian discuss Snapchat's $18 billion valuation with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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