Facebook and Twitter Faceoff: Who's Winning?

March 25 (Bloomberg) -- Andreessen Horowitz General Partner Scott Weiss compares and contrasts Facebook versus Twitter. He speaks with Emily Chang on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

Tchilinguirian: Big Saudi-Iran Divide at OPEC Talks
18:07 - Harry Tchilinguirian, head of commodity market strategy at BNP Paribas, discusses OPEC talks in Algiers and the shift to U.S. shale in dictating oil prices. He speaks on "Bloomberg Surveillance." (Source: Bloomberg)
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