Walmart is planning to use robots to keep up with a rise in online orders. It is planning to build warehouses at its stores where self-driving robots will collect groceries and build the order in an hour to less to make them ready for shoppers to pick up. A year ago Walmart has started testing the robots at a store in Salem, New Hampshire. The retailer aims to speed up orders that are brought outside to shoppers’ cars as virus-weary shoppers avoid going inside stores.

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