An icon in the shape of a lightning bolt. Impact Link You know those little squares with the seemingly randomized layout of black and white spaces you see on the back of products? Not the barcodes, ...

QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

While they may not be the all-in-one solution some had envisioned, QR codes are still very popular. It’s easy to understand why, too — just point your camera or scanner at a QR code, and you’re ...