Ringing it in

In the critically acclaimed novel and movie series The Lord of the Rings, there is much discussion about the One Ring, a small, yet powerful ring that possesses unprecedented power. Bearing this in mind, Visa has created a powerful ring of its own, but it won’t exactly let its wearer rule the world.

Visa’s ring is not only a nice-looking accessory; it’s also a payment device. Much like the way credit cards can be tapped on certain devices to instantly pay for items at stores, this NFC-equipped ring serves a similar function. 

The payment ring, which has yet to receive an inventive name, will be beta-tested at the Rio Olympics, where it will be given to 45 participating athletes. If the athletes like it, Visa hopes they’ll literally put a ring on it.

Read more here:
http://www.theverge.com/circuitbreaker/2016/6/2/11846194/visa-payments-ring-nfc-olympics