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A biometric ring could replace your passwords, cards and keys
Smart rings aren't a novel idea: There are plenty of fitness tracking, notification-sending, payment or even protective finger ornaments around. But none have the ability to identify you and authorize your transactions wherever you go. That is, until Token hits the market. It's a biometric ring that can be used to open house doors, start cars, make credit card transactions and sign in to your computer. That all sounds nifty in theory, but without any real cooperation from the third parties that enable those authorizations, Token is all but useless. The good news is that its makers managed to get support from an impressive list of partners including MasterCard, Microsoft, Visa and HID.
