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.

The QR code may also be a phishing scheme ... The small screen also hides a lengthy URL so that the address in view seems valid. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction ...

One very easy and convenient way to share access to a wi-fi router is by generating a QR code for joining that wi-fi router, ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...