So what's a QR Code? We often see those little square image with black and white spots inside no matter where we are. That's a QR Code,a matrix code (or two-dimensional bar code) created by Japanese corporation Denso-Wave in 1994. The "QR" is derived from "Quick Response", as the creator intended the code to allow its contents to be decoded at high speed. QR Codes are common in Japan, where they are currently the most popular type of two dimensional codes. It is widely used in Japan but not worldwide. These QR Codes need a decoder to decode the informations to see what's hidden inside. On the internet, there's a few nice QR Code decoder, I-Nigma is one of it. There's the website to download I-Nigma to your camera phone.
As usual, click on the title's link to know more about QR Codes. Have fun~!