HANGZHOU, CHINA - JULY 08: People line up to enter the Alibaba Self-service Store 'Tao Cafe ... found another way to rival Amazon. It recently debuted a pop-up cashier-less cafe called Tao ...

Amazon's newest store is smaller than the average New York City apartment. The company unveiled a small-format version of its cashier-less Go concept on Wednesday. It measures only 450 square feet ...

As the company expands, it's also rolling out new technology, like Amazon Just Walk Out. Just Walk Out allows customers to grab items from a store and leave without needing a cashier or self ...