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 ...

Airlines can use QR Codes in confirmation emails and app messages for quick seat upgrades, baggage add-ons, or insurance purchases. Hotels can use them in pre-arrival messages so guests can choose ...

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 ...