QR is short for Quick Response (they can be read quickly by a cell phone QR Code Scanner and Other Tools). 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 advertisement, News Paper, Packing Item, and Manufacturing Item 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, or Manufacturing Company show Item Details, Date, Item Code, Expiry you a URL And Other Details 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.