I've been looking into RFID tags, mainly their current and possible commercial uses rather than any artistic ones. Pretty crazy stuff going on with these really, the most extreme being the insertion of the passive variety (no internal power source) into the human body for reasons including security and, bizarly, VIP nightclub entry. RFID tags are also generating a degree of concern in some quaters, and rightly so. Though transmission ranges for the currently available passive tags aren't sufficiently large enough, when they do inevitably become further reaching then some quite worrying possibilities are opened up. I'm specifying passive tags as this particular type is able to be printed in a sticker, or a label in clothing. Essentially what this means is if you have a product with one of these tags in then your movements can be tracked anywhere within transmission range of the tag reader.
At the moment they're not quite so common, but with a few major retailers investing in them, and the cost of their production coming down, they're set to replace barcodes in the near future.
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