I would say there are a lot of studies in the works right now. It's not like waiting another five years. In the next two years, we're going to know much more than we know today.
The fact of the matter is that they are here, and so without any regulations it is the wild wild west. Our concern, especially now, is that 10 years ago there were a small number of independent manufacturers. Those independent manufacturers are being bought out by big tobacco, and you know what the motivation is.