Can RFID be used to track you?
RFID itself comes in a lot of technologies. We've written extensively on 'what would it take to track you with RFID'. Basically: No.
But, RFID, in particular passive RAIN RFID can be used to keep track of your clothes and other items at a localized level. Using our Wave handheld RFID inventory manager you can track your last-known location of clothes, pants, or anything important to you.