You don’t need an app for this —your phone can do it already. The humble QR (or Quick Response) code has become ubiquitous. Invented back in the 1990s to scan car parts, the barcodes got a ...

The name “QR code” was officially announced on Sept ... The Frame QR, on which a logo or an image can be printed, was released in 2014. The rMQR arrived in 2022, allowing for the rectangular ...