Twitter's Costolo: User Growth Drives Everything

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

Black Friday Markets: Retail Stocks vs. Retail ETFs
24:15 - Bloomberg's Alix Steel, Tracy Alloway and Keri Geiger examine the performance of retail ETFs against retail stocks during the holiday shopping season. They speak on "Bloomberg ‹GO›." (Source: Bloomberg)
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