RFID in clothing is one of my threads, as I recently discussed when I bought trousers from J. Crew. Here school kids are tracked with RFIDs but the school kind of forgot to tell parents about it. Now the school administrators admit that electronic tracking of students (even in the bathrooms) is problematic. Are you being tracked with RFID? If you said "no" check your clothes and think about what you may have bought from Walmart, which uses RFID tags on all goods they sell. Wired News: School RFID Plan Gets an F