Invisible River of Gold Is Wave of Wireless Future

Feb. 15 (Bloomberg) -- Spectrum is one of the most important parts of your digital life that you probably know very little about. So, what is it? And why are wireless carriers so obsessed with it? Bloomberg Businessweek's Sam Grobart explains.
The Benefits of EMV Credit Card Chip Technology
09:21 - 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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