http://networks.silicon.com/mobile/0,39024665,39232188,00.htm
Wikipedia explains about QR (Quick Response) codes of mobile phones in detail. QR Code is a two dimensional (2D) matrix code designed and developed by Japan's Denso-Wave.
The QR Code was invented for the purposes that the QR code will allow its contents to be decoded with a better and high speed.
QR Code is a popular technology in Japan and especially for mobile phones, QR Codes could be scanned by a camera mobile phone having QR Code scan software.
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