I don't know Paul. I think I would use a service to find the nearest and cleanest public toilet. Perhaps it is because I am a woman, but I would definitely go out of my way to find a cleaner bathroom. I think that most of the people that come up with these seemingly silly ideas really are trying to answer a problem and make life a little more enjoyable for the rest of us. Now only if there was a service that could tell me where I parked my car...