But that's the problem. Businesses are always going to scream about their product, there's no easy way to put restrictions on that and still have a free market.

But that's the problem. Businesses are always going to scream about their product, there's no easy way to put restrictions on that and still have a free market. Remove advertising and incumbents have all the advantage. Word of mouth is powerful, but it can't be done alone. > Trade shows, product catalogs, storefronts, and their on-line equivalents. These are all advertisements, just a different type.