September 30, 2025 at 12:50 PM UTCDoorDash Inc., the largest food-delivery app in the US, unveiled a delivery robot and a smart scale for restaurants, showcasing the company’s yearslong effort to develop hardware.DoorDash co-founder Stanley Tang showed off the four-wheeled autonomous robot, named Dot, at a gathering Monday for reporters at the company’s San Francisco headquarters. Dot stands 4-foot, 6-inches tall and uses a combination of external cameras, radars and lidar sensors on top of and ...