In their continuing pursuit of ways to make the checkout process faster, retailers now have some emerging high-tech options that are bringing new intrigue to the point-of-sale. Biometrics, the practice of automatically identifying people by one of their physical characteristics, has been gaining popularity in many commercial applications as a security device. In retail, where fingerprint scanning has been the preferred biometric option, it has been used in check cashing (see story, Page 54) ...

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