At Rio 2016, incredible sporting feats are not the only thing on display. Right alongside them are some cutting-edge technological innovations, which are capable both of enhancing athletes' performances and making the spectator experience more exciting than ever.
Payment ring
Credit card giant Visa has offered a new NFC-enabled payment ring to Team Visa athletes. Wearers of the device can make payments simply by tapping the ring. The ring is battery-powered and water-resistant, meaning that those tired Olympians can run to Starbucks and fuel up without even having to towel off.
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