RFID - Privacy concerns

Wal-Mart attracts further RFID flak | The Register

"Grass-roots consumer group Consumers Against Supermarket Privacy Invasion and Numbering (CASPIAN), which is fighting retail surveillance schemes, says that Wal-Mart's decision to tag individual items on its store floor using radio frequency identification or RFID violates a call for a moratorium issued last November by 40 privacy and civil liberties organisations."