What Role Does Evan Williams Play at Twitter?

May 7 (Bloomberg) -- Bloomberg's Jon Erlichman reports on the Wired Business Conference and his interview with Twitter Co-Founder, Evan Williams. He speaks on Bloomberg Television's "Market Makers." (Source: Bloomberg)
Brent Crude Oil Falls to One-Month Low
25:22 - Bloomberg's Julie Hyman updates today's top markets news stories. She reports on “Bloomberg Markets.” (Source: Bloomberg)
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