A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional code) first designed for the automotive industry. More recently, the system has become popular outside of the industry due to its fast readability.
The code consists of black modules arranged in a square pattern on a white background. This is the QR code which, if you scan it with your smart phone, should take you straight to my CUMPSTON research website. Many thanks to John Greenwood from the Guild of One Name Studies for helping me design it. Here comes another: