Panera Bread is piloting Amazon's palm-scanning technology in St. Louis to offer customers a faster way to connect to their loyalty program and pay.
The bakery-cafe chain, which has long been considered a leader in restaurant technology, is the latest restaurant to use what the tech giant has dubbed Amazon One. It's already been implemented in dozens of Amazon-owned Whole Foods locations, Amazon Go stores and some stadiums and arenas.
Panera has more than 2,000 locations and its loyalty p...