(WALA) - Mobile police officers might have done a doubletake Tuesday evening when they saw a motorized shopping cart ... said the motorized cart had been stolen from a Walmart Supercenter and ...

Walmart was awarded a patent called ‘Shopping Facility ... the person would either push the cart or have the robot drive. It could also be controlled with a mobile device or voice commands.

When consumers scan the QR codes, they are redirected to Walmart’s mobile site where they can ... and enabled customers to turn an in-store shopping experience into a scavenger hunt.