Correction: A previous version of this story did not make it clear that 1App, and not Starbucks, ran the QR code test. The InstantScan service from 1App attempts to provide a solution for marketers ...

GREENSBORO, N.C. — You see QR codes in restaurants, parking lots, and just recently on a flyer about pet microchips. The flyer is being reposted all over social media, even on the WFMY page, after ...

Let me come clean: For way too long now, I’ve been excited about the 2D optical code format called QR Code. I even convinced TidBITS to put one on every article page for a while. I don’t get a ...

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.

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 ...

QR codes are now a common way to share information, from payment links to Wi-Fi passwords. You can easily create them using ...