SELF DRIVING SHOPPING CARTS? Some struggle to manually operate them.

Don’t say Walmart hasn’t been an innovator. It’s mastered the retail market, managing massive profits while keeping prices low. Next up: self-driving shopping carts? A patent application published by the US Patent and Trademark Office (USPTO) on Sept 8, 2016, and filed by Walmart in March 2016 suggests that the company has at least considered…

via Self-driving shopping carts could be coming to Walmart — Quartz

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