CHARLESTON, S.C. -- In one of the first major tests of biometric technology at the supermarket point of sale, Piggly Wiggly Carolina here has launched a 60-day pilot of a finger-scanning payment system at 50 checkout lanes across four stores. Following a three-month installation and modification process, the system went live July 22 at each lane at two Charleston-area locations and two-Columbia, S.C.-area stores. Although expansion of the biometrics program is contingent on the pilot's ...

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