They come to us from Japan where they are very common. QR is short for Quick
Response (they can be read quickly by a cell phone). They are used to take a
piece of information from a transitory media and put it in to your cell
phone. You may soon see QR Codes in a magazine advert, on a billboard, a web
page or even on someone's t-shirt. Once it is in your cell phone, it may
give you details about that business (allowing users to search for nearby
locations), or details about the person wearing the t-shirt, show you a URL
which you can click to see a trailer for a movie, or it may give you a
coupon which you can use in a local outlet.
The reason why they are more useful than a standard barcode is that they can
store (and digitally present) much more data, including url links, geo
coordinates, and text. The other key feature of QR Codes is that instead of
requiring a chunky hand-held scanner to scan them, many modern cell phones
can scan them.
If you have any questions or comments please contact me.
Regards Gerald
Website: http://www.webcraft.ws
E-mail: gerald@webcraft.ws
Twitter: WebcraftGuru
Facebook: Webcraft Guru
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