the QR code is small square (not bigger the post stamp) with black lined on the white background in intersecting, individual two-dimensional patterns. It serves as ads tool. people can generate their own code, place it everywhere they want and than this code can be scanned by smartphones and will lead to you URL Look, I've found such information
To read QR code you need mobile phone (Android, iPhone etc) and a special program installed on it. Usually QR code means a link, you photo the code by your phone and just go to the link which is placed in the code.
QR code can be used to store any information. such as link, email address, contact information, etc. and can be read usiing specific software on the phone (QR code for android for example.) This is the free tool to generate QR code. http://qrcode.kaywa.com/
a 2 dimensional bar code that is going to kill the marketing scene in the next year. They are link an immediate call to action.
Quick Response codes (QR codes) & the code also consists of black modules arranged in a square pattern on a white background. The information encoded may be text, a URL, or other data.
QR Code - Quick Response Code This is a 2-dimentional barcode. You will require a QR Code reader to read these codes. This is a square pattern usually seen in black & white, however it can be customised as per your needs. ( QR Codes in different colours etc.).
QR code is something similar to the barcode and it is the one which is being used by lots of companies now a days. Following is the information about QR code: Continued: http://en.wikipedia.org/wiki/QR_code
It's a 2D barcode, not your standard 1D linear image (for example code 39). The barcode can hold much more information that 1D codes, often used on smart phones now, and by some delivery companies. WebDev