CASPIAN

CASPIAN (Consumers Against Supermarket Privacy Invasion and Numbering) is a web where you can find futher information about privacy and RFID and they believe the public has an absolute right to know when they are interacting with technology that could affect their health and privacy.

You can see images of RFID tags. As you can see RFID tags have differente sizes and shapes.

They work also in privacy issues in Discount Cards and loyalty programs.

And the dilemma is:

share your information with a company to improve your shopping experience or it's better to limit the amount of data they have on you

Discount cards have pros, cons