When you just have to put your signature on a real-life document, but you don't have a standalone scanner handy, the easiest ...

Why your phone’s camera is secretly a barcode scanner Modern phones treat barcodes and QR codes as just another kind of visual information, so the same camera you use for photos can also read the ...

Rahul Naskar has years of experience writing news and features related to Android, phones, and apps. Outside the tech world, he follows global events and developments shaping the world of geopolitics.

Most people think of barcode scanners as clunky retail gadgets, not something quietly built into the phone they use every day. Yet modern smartphones ship with powerful tools that can read everything ...