70K People Head to Mobile World Congress

Feb. 25 (Bloomberg) -- Caroline Hyde reports on the business behind Barcelona's Mobile Congress. She speaks on Bloomberg Television's "Countdown." (Source: Bloomberg)
Zuckerberg's Global Conquest: 1B Use Facebook in 1 Day
45:28 - Bloomberg Intelligence's Paul Sweeney discusses the outlook for Facebook with Bloomberg's Matt Miller on "Market Makers." (Source: Bloomberg)
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