Fingerprint scanner. Close-up of a shopper using a fingerprint scanner to pay for their purchases. This biometric payment system was developed by the Californian company Pay By Touch and (as of March 2006) is in use in a small number of supermarkets in Oxford, UK. This scanner is linked to a database that holds an individual's bank account and loyalty card details, as well as their fingerprint. At the check-out the customer simply scans their finger and payment is taken directly from their account.
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