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 ...
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