Heard about QR codes (QR stands for Quick Response) today at this post on Google Docs Blog. QR Code is another way of storing information, like Bar Code, through 2-D images developed and popularly used in Japan.
One can create an image like the one shown aside. This image is for this very blog.There are QR Readers available (most of the phones now a days are coming with QR Reader embedded). When the reader scans this QR Code on their cell phone (with GPRS enabled), it will get one to this blog.
The fields & patterns correspond and convey a particular information. The image beside gives some insight into it.
Wiki has got all the information in short and crisp fashion, worth a read.
One can create this code by using Google API.
URL for creating code for this blog was: http://chart.apis.google.com/chart?chs=250x250&cht=qr&chl=http://robadilavoro.blogspot.com/
Change the url and have yours! :)
This template is the QR Code Gadget template available in Google docs. They say
Make a QR code of your data. Just put in the data and instantly a QR code is created matching a comma separated list of your data.Surely worth a try.
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Microsoft has got a similar one called Microsoft Tags
Signup, Create Tags and share them. Need not worry if you dont have a Windows Live login id. One can Signup with Gmail Id as Windows Live ID and use it for all future purposes.
The Tag created for this blog by Microsoft Tag looks like the one shown aside
If these were not enough, Wiki gives a list of other types of codes existing. The list is as below:
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