If a customer wanted a cart, for example, they could summon one through an app or an in-store kiosk. The nearest motor would then find the closest available cart, dock with it, and drive it to the customer’s location. At that point, the motor would detach and drive itself to a hol...
took reporters on a spin through the neighborhood in its self-driving cars. It will roll out its services in big cities first, such as New York and Detroit, and will initially limit the service to cities.