As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...

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 ...