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Robot maintains inventory in St. Louis supermarket

Shopper John Patrick reads the label on a can as Tally the robot checks the inventory in the Mexican food isle at the Schnucks Supermarket in Richmond Heights, Missouri on August 7, 2017. The 30-pound robot is equipped with sensors to help it navigate through the store,detecting product that is not fully stocked. That data is sent to store management so changes can be made. Tally will be tested over six weeks. Photo by Bill Greenblatt/UPI

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