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QR Codes - Data in a square


QR Codes have been in vogue for nearly two decades particularly popular in Japan. With the advent of the Android platform, we have oflate started to see a lot of information in the form of QR Codes being pushed across in billboards, magazine covers,advertisements. With the density of information that these QR codes affords, we would be seeing a slew of applciations that would use these codes to deliver content as well as become a preferred way to digitize content through a modus that is easy and simple.

Already we are seeing product labels having these codes embeded to find more information, this is for the discerning customer, who wants to check the details of the product before they purchase the product. This can contain information that is useful for the customer, like product details, where they are procured from, a nice little recipe or to lead you to a set of web sites or a way to call them or register the product. The different applications that this can be put to is tremendous and the major advantage of the system is unlike a one dimensional bar code, this is two dimensional and provides a higher density of information than the traditional bar code.

For example, the data that can be crammed into a bar code of a specific size is limited by the sensitivity and the resolution of the reader, though this is also applicable to the QR reader, the density is more and therefore more information is crammed into an area which is of the same dimensions as a bar code. A great application use, is switching to this system by the postal department, the system can read the content and QR_Code it with much more information than what is done today. Think of tracking the packages quicker with more information and more easier, as anybody with a smartphone or a feature phone with a camera should be able to get it going.

Think of another option, you walk into a restaurant, would it not be great if you can read the QR_Codes to get more information about the food that you are to eat without cluttering the menu card. This can even be extended to the diner to send an order across to the kitchen based on the table, a unique QR Code that provides the option. Simple efficient and may be the end of the hand written KOT


Well you did see the QR Code to your left, it is my email address. If you have an android application with zxing, you can send me a email reading the Code.


The application is available at the below address hey another QR_Code
You can generate your own QR_codes here
QR code is trademarked by Denso Wave, inc.

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