Are you thinking of this, it was posted on this board earlier today. https://www.youtube.com/watch?v=FcCKZLoczo4 They are two different types of vending machines obviously and they would be much harder to maintain and the cost of production would be higher. I think they have the right idea for the vending machines their using. It is already going to be basically a giant billboard that hits consumers in the face, I think it'll still spread like fire!