QR codes make it possible to scan an image with your phone’s camera to open a link. In the early days of Android, the easiest way to post links to Android apps was with QR codes, which is why older ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Your smartphone is full of surprises. There’s an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

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 ...

A QR code on a flyer caught the attention of viewers recently, with many wondering if the code was real or fake. The flyer ...

Installing new apps for your Android device is easy: launch the Android Market application, search for an app and install it. However, with a barcode or "quick response" scanner app, you can also ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Quick Response (QR) codes were popular before the COVID-19 pandemic ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...