In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the breakfast buffet. One sits at eye level beside the elevator buttons, right where guests wait with their phones in hand. The ...

Barista receives a customer lining up to pay in a cafe's counter where a QR code information graphic is displayed. In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the ...

A family on vacation walks toward a theme park on a humid afternoon, balancing bags and bottled water. The kids drift toward an ice-cream cart while their parents shuffle between a printed map, the ...