Biometrics: Payments at Your Fingertips

Fingerprints and iris scans will replace keys and credit cards if outfits like Pay By Touch succeed in their biologic mission

In the future, no one will need pockets. That stuff jingling around in there -- keys, credit cards, checkbooks -- will be replaced by something closer to the body. When you need to open a door or make a purchase, chances are you'll do it with a fingerprint, a voice command, or a computer scan of your eyeball.

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