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.

Uniqode reports that QR Code trust hinges on consistency; reliability shapes user confidence more than security messaging.

They are everywhere! Those little black and white boxes with dots and squares: QR codes (Quick Response Codes). They show up in the mail, in email messages, in print, and on bulletin boards. Companies ...