If I have to pull out my mobile device to read QR codes, I want an app that’s fast, locks on, and scans codes quickly without any fuss. While there’s a plethora of QR code scanners on the App Store, ...

QR code, short for Quick Response Code, is a kind of matrix barcode that includes information about a product or service. You can find it being used for advertising purposes, where brands put up ...

Another handy and free generator is QR Code Generator. It allows you to create static and dynamic QR codes (editable even after printing) that you can use for different purposes and in various formats ...

— -- QR codes, those barcode-like images that can be scanned by smartphones, are showing up in magazine ads, on product shelves and billboards. We even saw one the other day on a dog collar. Taco ...