Boing Boing reports about RFID Guardian, a personal RFID firewall.
The Guardian is a personal device that operates by detecting the RFID tags on your person (keys, passport, bank cards) and jamming them so that they cannot communicate and answer queries anymore. If you prefer a network analogy, it’s a firewall for your RFID-accessible data.
It’s fascinating how media, being an extension to our bodies, require similar practices: people used to customize their computer and cellphones as they buy clothes for themselves, and now that RFID tags embody intimate/private details of our being, the need arises to create proper “underwear” for this data.
Good thing is, schematics for knitting this underwear is freely available and documented on a wiki ;)
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