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Customers scan a unique QR code within the app before passing through a set of glass doors, similar to the gates Amazon employees go through when entering their office buildings every morning. Once they’ve picked up their items, customers just leave the store and Amazon Go’s systems automatically debit their accounts for the items they take, sending the receipt to the app.
Crime related to explosives also fell by 60 percent over the same period.

Cuomo also said that there were 83,712 confirmed cases as of Wednesday afternoon, an increase of 7,917.
Cuba holds municipal elections every two and a half years, while provincial and national deputies are elected for five-year terms.
Cuban Transportation Minister Adel Yzquierdo Rodriguez told reporters Saturday afternoon that Cubana had been renting the plane for less than a month under an arrangement in which the Mexican company was entirely responsible for maintenance of the aircraft. Armando Daniel Lopez, president of Cuba's Institute of Civil Aviation, told the AP that Cuban authorities had not received any complaints about the plane in that month. He declined to comment further.
来源:资阳报