I think the hype speaks for itself, doesn't it? You want people to talk about your product, and having an A-list celebrity involved does just that. If you then

I think the hype speaks for itself, doesn't it? You want people to talk about your product, and having an A-list celebrity involved does just that. If you then categorize the extra expense under "marketing", I'd say it's not a bad ROI compared to other, incredibly expensive, marketing efforts.