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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Melanie Pinola Smartphones are the Swiss Army knives of the digital world, but ...

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 ...