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, ...

Roland is a technology enthusiast who loves to tinker and geek out about the latest smartphones, tablets, smartwatches, and other wearables and gadgets. He aims to provide honest reviews and thoughts ...

Quick Response codes or QR codes are a type of barcodes that comprise a matrix of dots. To read these unique codes, a QR code scanner is needed. QR scanners are typically embedded in modern ...