Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, ...

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 ...

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.

If your Android device is not scanning a QR code, make sure the code is properly framed on your screen. Cleaning your camera lens and getting better lighting on the code are other potential solutions.

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 ...

How to use the Camera app on your Chromebook as a scanner Your email has been sent You can easily scan a document or QR code on Chrome OS with built-in device cameras and the Camera app. This ...

QR codes are those square barcode-looking things that when scanned by your iPhone 16 Pro, Galaxy S25 Ultra or any other phone, can send you straight to a particular webpage or to download an app, all ...