Be sure to check a few paragraphs below in the article, the World's Weirdest Travel Gadgets (PHOTOS)
Number six could change the world (think sporting events or performing arts - no more lines ).
Interesting... though I'm sure at $30 they won't sell nearly as many as they hope
#6 is a redo on a long time camping device for ladies called the "lady j". The camping version isn't disposable as #6 appears to be and I'd wager you can't toss that into the lavatory.
Some of the others were pretty interesting to look at but not sure how they would do in practice.