You may have noticed the proliferation of QR codes in your mailbox in the last few years. We certainly are moving toward a digital world, and QR codes are part of that evolution. A QR code is a ...

With the exponential rise in mobile internet access there is no doubt in my mind that 2D codes (also known as Quick Response, or QR Codes) will become a trusty tool for “tagging” real-world objects ...

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.

In the last several years, square patterns of black-and-white smaller squares have popped up everywhere. Sometimes they tell you to scan them with your mobile phone. Or they just assume you know what ...