Paul writes:
“I have a degree in Computer Science, and I work with RFID (or at least I did till recently).” On his Livejournal blog, he adds, “For the curious, this is an Alien Technology’s European model Gen 1 Squiggle RFID tag. It’s actually copper in color and about six centimetres long. I scanned it and blew it up to a bit over twice it’s original size, and changed its color to black.”