Twitter by the Numbers: 500M Tweets a Day

Sept. 12 (Bloomberg) -- Twitter is going public. Here's a look at the social-media company by the numbers. (Source: Bloomberg)

Fed's Yellen: Persistent Strains Could Weigh on Outlook
48:03 - Federal Reserve Chair Janet Yellen testifies about monetary policy and the U.S. economy before the House Financial Services Committee. She speaks on "Bloomberg Markets." (Source: Bloomberg)
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