Now you can store a 20-second video that can be viewed on a cell phone in a colored bar code the size of a postage stamp. Or, if the cell phone is connected to the Internet, use the bar code to launch a URL. The user snaps a picture of the bar code to utilize it. Content Idea of Asia invested this new bar code technology, which can store 600 KB, and plans to offer it later this year.
Source: Hall, Kenji. "The Bar Code Learns Some Snazzy New Tricks." BusinessWeek, 3 April 2006, 113.