FILE - In this Thursday, April 27, 2017, file photo, people walk past an Amazon Go store, currently open only to Amazon employees, in Seattle. Amazon Go shops are convenience stores that don't use cashiers or checkout lines, but use a tracking system that of sensors, algorithms, and cameras to determine what a customer has bought. Wal-Mart’s acquisition of Jet.com is accelerating its progress in e-commerce as it works to narrow the gap between itself and online leader Amazon. Wal-Mart is betting its online future on essentials like produce and groceries and has adjusted its shipping strategy. But Amazon keeps innovating too. (AP Photo/Elaine Thompson, File)
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