What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web tracking. QR codes have been around for a long time. They were first ...

Danone yogurt is linking QR codes with its loyalty program in Spain, enabling customers to scan the 2D bar code appearing on its products with their smartphones as a way to earn points. Each Danone ...

QR (quick response) codes have been around for nearly 30 years. Developed in 1994 by a Japanese engineer for the purpose of tracking components in car factories, they have evolved into a highly ...