March 20 (Reuters) - Wal-Mart Stores Inc said it is tripling the number of U.S. stores in a pilot program that lets shoppers scan items with their iPhones and pay at self-checkout counters. Walmart's ...
Costco is following in Walmart’s footsteps to use technology to help eliminate a major customer complaint – long lines at checkout. Warehouse club chain Costco has launched a scan-and-go pilot program ...
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