If your a privacy advocate of looking for information on how technology is going to continue to consume and be part of everything we do you need to keep your ears to the pavement about RFID tags.
Imagine someone handing you a $20.00 bill for payment of a bicycle at your garage sale. You take that $20.00 along with the rest of the cash to the bank for deposit and when you stick it in the ATM machine it reads the embedded RFID tag and determines the last person to handle that $20.00 was a criminal. This in turn flags your account for having associations with a criminal. Think it’s far fetched read the article [The Register]