Walmart Is Developing A Self-Driving Shopping Cart

BENTONVILLE, Ark. (CBS) – In the future, shopping carts may push themselves.

Walmart is now working on a self-driving shopping cart that customers would be able to hail like an Uber – possible through a smartphone app.

The retailer filed a patent for a cart that has a motor and video cameras.

The best part? It would also be able to return itself from customers' cars to the store.

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