What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

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 ...

Before scanning technology, people had to enter data manually, draw sketches carefully and inspect cars with their naked eyes. Scanning tech makes your life easier — but how does it work? Scanning ...