DIY: A wallet to keep your RFID cards private. Featuring ducktape!

This is a great story because he lays out the risks of various cards you might routinely carry in your wallet. Risks in the sense that the card is broadcasting, albeit over short distances, your private information, to anyone who can pick up a wireless signal in the RFID range. The wallet is a total geek job, as it is DIY ducktape and aluminum foil. You can achieve protection via saltwater, but that solution seems a bit less portable. The photos complete the charm of the story.RFID