QR codes are used for everything from opening a restaurant menu to making payments: just point your camera at the QR code, and your phone will automatically open the relevant page. But what happens ...

Nitin Gupta, founder of QRCodeChimp. He's a technology leader with over two decades of technology development and management experience. Whether buying ice cream from a food truck or luxury items from ...

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.