Go stores in 2018, promising that customers could walk in, take whatever products they wanted off the shelves and leave without checking out. "To make this 'Just Walk Out' technology possible, the Amazon Go stores constantly collect and use customers' biometric identifier information, including by scanning the palms of some customers to identify them and by applying computer vision, deep learning algorithms, and sensor fusion that measure the shape and size of each customer's body to identify customers, track where they move in the stores, and determine what they have purchased," it says. Global Business and Financial News, Stock Quotes, and Market Data and Analysis