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Wrist Watching: Amazon Patents System To Track, Guide Employees' Hands

A diagram from an Amazon patent application shows a human worker (labeled with "14") wearing an ultrasonic bracelet tracking his or her hand movements and providing feedback. The patent was granted on Tuesday. (U.S. Patent and Trademark Office)
A diagram from an Amazon patent application shows a human worker (labeled with "14") wearing an ultrasonic bracelet tracking his or her hand movements and providing feedback. The patent was granted on Tuesday. (U.S. Patent and Trademark Office)

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