QR codes have proved versatile and efficient in the feedback collection arena. These matrix barcodes redirect users, upon scanning by a smartphone’s camera, to websites, questionnaires, or any other ...

First invented for use in industrial applications in Japan in the early 1990s, QR codes were being widely used by consumers when smartphones with QR readers became more prevalent in the 2000s. After ...

From the upcoming generation of “iPad kids” glued to their screens to the ubiquitous but unpopular QR code menu (paywall), critics claim that a proliferation of technology is depriving people of human ...