The humble QR (or Quick Response) code has become ubiquitous. Invented back in the 1990s to scan car parts ... has been built into phone cameras since Android 8 and iOS 11 (both from 2017 ...

Let’s cut straight to it — you want to know how to scan a QR code on either your iPhone or Android device. Luckily, you’re in the right place. From restaurant menus to ad campaigns and more, you’ll be ...