According to the internets, they did also manufacture underwear, but they only sold it in Japan. It didn't work very well, due to the higher temparatures in the crotch area, resulting in some staining of the skin.
That sounds cool. When do you think we will see collie changing underwear via wifi? 2030? Nano clothing
An interesting site, Dave. And here is your dream computerized underwear, right in the link from your article.
One thing I find worrying. Everyone's solution to the short battery life seems to be cramming in bigger batteries rather than making the damn things more efficient. If agriculture can squeeze more food form the same land area, surely electronics could do too.