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 ...

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...

What is a QR Reader? A QR reader is a device that can read the information on a QR code. It may be an app or software, but it must have this capability to scan and decode the data in order for you to ...

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.

Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...

Apple's latest iPhone 16 models include a new Camera Control button (located on the lower right-hand side when holding the phone in portrait mode). The new button aims to make it easier to adjust ...