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 ...

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.

QR codes, which are those small black and white squares you see on so many products, items and advertisements, give you more information about the item the code appears on. If you're checking out 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.

QR codes are everywhere these days, from glossy product flyers to billboards to T-shirts. But it’s quite possible you have no idea what a QR code is and wouldn’t recognize one if you saw one. And I ...

As an almost ready-to-go solution, the AS01 is one of the easiest barcode scanners I’ve used. However, it’s unfortunate that ...