Big Brands Flock to Twitter, Upending Ad Industry

March 25 (Bloomberg) -- Jon Erlichman takes a look at the business behind Twitter. He speaks on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

Was the DNC Hack Preventable?
39:37 - Eric O'Neill, Carbon Black's national security strategist, discusses how to respond to government hacks with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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