The AI-powered vision tech speeds up exit times by 23% and improved the shopping experience "almost immediately upon deployment," according to Walmart ... then present a QR code at the door ...

Walmart continues to ramp up its mobile in-store ... new digital coupon capabilities as well as the ability to scan a QR code on a printed receipt to receive an electronic version.

The pedestrian store receipt gets a significant mobile makeover in Walmart’s hands thanks to ... it will prompt customers to scan a QR code to register. If they have already registered, they ...