Imagine if Visa sold data about you to greedy hedge funds:: bigdata is big busi…

Imagine if Visa sold data about you to greedy hedge funds:: bigdata is big business. Take, for example, the type of data that credit card companies have at their disposal. Access to Visa's database would essentially provide a real time window on the entire economy. This raises interesting questions about how, when and if certain data should be used. Vis ..

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