QR Code

Quick Response Code Popularly known as QR Code is a two dimensional bar encoding scheme. It can encode a greater amount of Information in it involving various encoding modes (numerics, alphabetics, Kanji, Byte or Binary). It was first designed by Japanese automotive industry. 

A bar code is a machine readable optical label that contains the specific information about the item to which it is attached or associated. A QR code is the 2D extended version of the same that stores much more data and can also be read very fast as compared. It has applications in various domains like: product tracking, time tracking, document management, information transfer in a encoded manner, item identification etc.

The components present in the QR Code scheme is its white background and Square grids on its edges with information stored in the form of patterns.These color schemes were decided originally as black and white only but now it can be customized to any color combinations like blue grids over white background. Data can be extracted from the combination of both horizontal and vertical components of the QR code

Today QR code has become popular with numerous of applications with for instance if a user wants to go to a web site he can just scan the QR Code of that company using his mobile camera (obviously using his QR Code readability application) and he will be redirected to that site with an effort required in typing it. Users can create email, text message, store information, send information using QR Code. QR code today has become a very popular method of getting limited but required amount of information in a quick way.

So here is my QR Code to my linkedin profile like, try it and you will get to practically know its usability.