Wal-Mart tried the "self-checkout" thing for awhile, and those kiosks still exist in some stores. But by and large, it's easier for most consumers to just head to a real person in case of trouble. But that snafu isn't stopping the world's most recognized retailer from starting something else: smartcard payment support. According to a new report, the giant is planning to make every last one of their payment terminals in the U.S. compliant with "a smartcard-based credit card technology that is widely used around
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