Amazon plans to roll out the biggest overhaul to its grocery business since buying Whole Foods in the coming weeks, including one cart for supermarket offerings (Matt Day/Bloomberg)

Matt Day / Bloomberg:
Amazon plans to roll out the biggest overhaul to its grocery business since buying Whole Foods in the coming weeks, including one cart for supermarket offerings  —  It's revamping stores, unifying online shopping carts and offering fresh-food delivery to customers who aren't Prime subscribers.