You’ve probably been there. You walk up to a parking meter and just want to pay for it and move on with your day. But unlike the old-school method of just dropping some quarters into the machine, ...

Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, phone numbers, or even coupons. QR codes are found everywhere from ...