code

QR code
QR Codes storing addresses and URLs may appear in magazines, on signs, buses, business cards or just about any object that a user might need information

A user having a camera phone equipped with the correct reader software can scan the image of the QR Code causing the phones browser to launch and redirect to the programmed URL. This act of linking from physical world objects is known as a hardlink or physical world hyperlinks. A user can also generate and print their own QR Code for others to scan and use by visiting one of several free QR Code generating sites. (Wikipedia)



mobile phones can read QR codes










This QR code through a web cam, graphic images appears on top of the QR code.
Combining real imagery with computer generated images.







FP Code

camera phone readable code can be invisibly embedded in real picture, illustration etc.

can link to digital date such as movie, picture, sound and text










shotcodes

store less data than QR Codes and Datamatrix codes and are primarily used to store web site URL’s