To combat fraud, Visa wants to track your smartphone
Those days of calling your bank to let them know that, yes, you really are in Thailand, and yes, you really did use your credit card to buy $200 in sarongs, may be coming to an end. The payment processing company Visa will roll out a new feature this spring that will allow its cardholders to inform their banks where they are automatically, using the location function found in nearly every smartphone.
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