QR (quick read)codes per wikipedia is a type of matrix code or a two dimensional code.
QR codes storing addresses and Uniform Resource Locators (URLs) may appear 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. This act of linking from physical world objects is termed hardlinking or object hyperlinking. (from wikipedia.org>
People have a curiosity about what lies beneath the codes so they grab their smart phones to enable what the code reveals.
Business Use
