The Changing Landscape of Tech Conferences

Oct. 8 (Bloomberg) -- Federated Media CEO John Battelle discusses the business behind tech conferences with Cory Johnson on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

'Irving Penn: Centennial': Charlie Rose
34:40 - On "Charlie Rose," a look at Irving Penn, one of the most influential and celebrated photographers of the 20th century. A new exhibition at the Metropolitan Museum of Art presents a major retrospective of Penn’s work. (Source: Bloomberg)
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