RFID tags can store information such as the product name, price, expiration date, and origin. RFID readers can read this information from a distance, without requiring direct contact or line of sight.

MADRID—For more than a decade, radio frequency identification chips were touted as a game-changer for retailers. But when they tried to apply the inventory-tracking technology, merchants such as ...

Recent store openings by Nike and Zara owner Inditex have included self-service facilities, enabling shoppers to buy and walk out without passing through a traditional till-point. “Just walk out” is ...