Amazon opened Amazon Go, its automated grocery store in Seattle, to the public. The store’s surveillance system tracks what you pick up and automatically charges you for it. Amazon has no plans to introduce the checkout-less technology to its hundreds of Whole Food stores. The system has been called very, very accurate It can determine which item you picked up even if it looks very similar to another item. If you return it to the shelf, it is automatically detected and goes into your virtual cart.”]