Amazon.com Inc. rolled out its checkout-free “Go” technology in a large grocery store and plans to license the cashierless system to other retailers.

Amazon Go Grocery opened in Seattle on Tuesday. It uses an array of cameras, shelf sensors and software to allow shoppers to pick up items as varied as organic produce and wine and walk out without stopping to pay or scan merchandise. Accounts are automatically charged through a smartphone app once shoppers leave the store.

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