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.

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 ...

Since the COVID-19 pandemic began in 2020 and social distancing became a common practice, contactless forms of payments have taken off in popularity. Some contactless payments use QR codes that ...