Yes. I think advertising on a variety of levels is problematic.
In the absence of an agreed-upon regulatory structure, the question arises about what claims can be made for these products—what you are advertising, what claims are being made, and what assurances are being given to potential users. Also, the broader question of making these products available to minors and of the appeal of these products becomes an issue as well. When I say advertising, I want to emphasize that there's a whole gamut of promotional activities captured by that, such as sponsorship, and so forth.