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)

Apple Pay, UnionPay Said to Reach Deal in China
37:03 - Apple looks to enter China's fiercely competitive mobile payments market. Sources say it struck a deal with UnionPay to introduce Apple Pay to the mainland. Bloomberg's Haidi Lun reports on "First Up." (Source: Bloomberg)
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