I didn’t see any of these guys at CES, but they are midway between the Asian companies obsession with clean air and my speculations that some of the tinfoil hat crowd, if you filter out the paranoia, might be onto something.

“Targeting Americans concerned about exposure to mobile phone and electrical infrastructure, online retailers are selling a growing selection of protective gear. Listings include radiation-blocking boxers, radio curtain shields and pendants for removing electromagnetic frequencies…the proliferation of cellular antennae and electricity-sucking gadgetry is heightening concern among those who profess to suffer from electrical sensitivity, an illness triggered by exposure to frequencies emitted by various manmade technologies.”

http://www.wired.com/news/business/0,1367,69640,00.html?tw=wn_tophead_3