Baring all at the show?

Jeffrey Brown at the Tradeshow Blues Blog has a somewhat shocking post about those who simply must bare it all at a tradeshow. Literally. He tells tales of booth nookie, new interpretations of "experiential" learning sans clothes, and flashers in the aisles.

I must be going to the wrong shows—haven’t seen a nekkid person yet, much less lust in the booth or flashers on the floor. Though I did hear about a guy who got ejected from a show for riding up and down the escalators and pretending to tie his shoe repeatedly so he could try to get a peek up ascending women’s dresses. That was about the time I started wearing pants to conventions...

Am I just sheltered, or does this really go on? Enquiring minds want to know...