This is the trademark for a type of matrix barcode (or two-dimensional code) first designed for the automotive industry. Read information on QR code in Wikipedia! More recently, the system has become popular outside the industry due to its fast readability and large storage capacity compared to standard UPC barcodes. The code consists of black modules (square dots) arranged in a square pattern on a white background. The information encoded can be made up of four standardized kinds ("modes") of data (numeric, alphanumeric, byte/binary, Kanji), or through supported extensions, virtually any kind of data. The QR code can be incorporated into your: Stationery: business cards Internet media: website Social networking media: Facebook and Linked in pages