WPP's Sorrell: Some Buy Big Data, We Make it

Nov. 20 (Bloomberg) -- WPP Group CEO Sir Martin Sorrell speaks with Bloomberg Television's Stephanie Ruhle at the Bloomberg Business Summit at the Art Institute of Chicago. (Source: Bloomberg)
The Benefits of EMV Credit Card Chip Technology
55:34 - Ellen Richey, Visa's chief enterprise risk officer, explains the benefits of EMV credit card chip technology. She speaks with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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