Bring the QR code you want to scan in front of your computer’s camera and hold it still. Once the Camera app scans the QR code, its contents pop up on the screen. If it’s a link to a website ...

The humble QR (or Quick Response) code has become ubiquitous. Invented back in the 1990s to scan car parts, the barcodes got a popularity boost during the pandemic when touchless tech became ...