loyalty card activism around the net

CASPIAN is the place to go for information about loyalty cards and loyalty card resitance. (link)
Rob's GIANT Loyalty Card Swapper is a site for swapping numbers (not physical cards). (link)
The Ultimate Shopper wants you to shop using his barcode and loyalty card. (link)

loyalty cards news and press highlights

There is lots of press about loyalty cards and the privacy implications. I've selected a few articles that I think are represenatative and particularly useful before. Feel free to suggest others.

An article where British Home Secretary David Blunkett explains why loyalty cards are a bigger threat to privacy than the government's ID card scheme. (link)
A description of a loyalty card with a hidden RFID trackable radio ID! (link)
An article in the Guardian that describes some of the privacy implications of loyalty cards. (link)
An article on Slashdot about a scary case of abuse of loyalty cards -- a man was unjustly arrested based largely in part on research into his purchases trackable through his Safeway Club card. (link)