In this Tuesday, Oct. 4, 2016, file photo, Google Home, right, sits on display near a Pixel phone following a product event, in San Francisco. In the name of convenience, Amazon and Walmart are pushing people to shop by just talking to a digital assistant. Shopping by voice means giving orders to the Alexa assistant on Amazon’s Echo speaker and other devices, even if your hands are tied up with dinner or dirty diapers. And in September 2017, Walmart will start offering voice shopping, too, with the Google Assistant on the rival Home speaker. (AP Photo/Eric Risberg, File)
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