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Olympic athletes will sport Visa's new payment ring in Rio
For those making their way to this year's Olympic games in Rio this August, Visa will be the only card accepted at official venues -- a pretty sweet deal for the payment provider. But, rather than be satisfied with exclusive access to the wallets of a half million tourists, the company is using the event to introduce a new ring that will let people pay with a wave of their hand: No phone, wallet or even battery needed.
