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 ...

T-Mobile’s T-Life app appears to be preparing support for QR-based device pickups. Users would just have to display their QR code in order to retrieve hardware waiting for them in T-Mobile stores. Not ...

QR codes are designed to be scanned using a camera, such as those found on your smartphone. QR code scanning is built into many camera apps for Android and iOS. QR codes are most often used to store ...