A QR code is a two-dimensional code first designed for the automotive industry, to track parts in vehicle manufacturing. More recently, the system has become popular outside of the industry due to its fast readability and comparatively large storage capacity. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be made up of any kind of data like binary, alphanumeric, or symbols.
QR codes stores addresses and is used in magazines, on signs, on buses, on business cards, or on almost any object about which users might need information. Users with a camera phone equipped with the correct reader application can scan the image of the QR code to display text, contact information, connect to a wireless network, or open a web page in the telephone's browser.
QR codes can be used in Google's mobile Android , With BlackBerry devices, Windows Phone 7, and Iphones. The cell phone needs a QR code reader, it takes literally 1 minute for someone with an iPhone or Android phone to find and install the reader. Once the application is on, aim your camera on the QR, scan the QR Code and you will instantly get more information and a link to a website.
QR codes are easy to create. Just visit websites like http://www.qurify.com/ , qurify any text or website url, put the QR Code on your business card, or flyer, or any product and make everything you have more interactive!