QR Codes (Quick Response Codes) are becomming popular. They allow a smart phone to use the camera to scan a black and white graphical code and then be taken to a website or provide other information.
This page lists websites and other resources that provide you with useful information about creating and using QR Codes for your marketing purposes and gives great examples of how others are creatively using QR Codes.
See example of a QR Code above.

