So X-ray specs are no longer a thing of the future:
http://www.timesonline.co.uk/article/0,,2087-1348172,00.html Apparently, the Brits at Heathrow airport are none too keen on getting scanned by this special X-ray device that produces "naked" images of the subject. It says the images get deleted after they're reviewed, but you can bet some TSA guy with a camera phone will be all over these...