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)

The Effect of the Human Body on Trading
24:29 - Investors who are in tune with their heartbeat make more money. So says neuro-scientist and former Wall Street trader, John Coates. He believes success is down to what he calls "gut feelings" and a sense of one's own body signals. (Source: Bloomberg)
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