You probably think you need to use your smartphone's camera to scan a QR code, right? That's not the case — it's entirely possible (and super-easy) to scan a "Quick-Response" code that's already saved ...

Your smartphone already carries a capable barcode and QR code scanner, tucked into tools you probably open every day. With a couple of taps, you can turn the camera ...

Back in July, Google widely introduced a redesign of the Android QR code scanner, but then rolled it back. The updated interface is now starting to reappear. This is the QR code scanner available from ...