Worn by “the world’s greatest athletes” at the recently concluded Summer Games in Rio in a very shrewd publicity stunt that likely doubled as a mighty convenient pre-release beta trial, the Visa-powered NFC Ring finally seems (just about) ready for primetime and the contactless-paying masses.No need to continue carrying around a bulky smartphone or wearing an expensive smartwatch on your wrist to conduct easy, secure on-the-go transactions. This sleek, low-profile yet stylish and affordable ...
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