>the more people find businesses, the more value the yp has in it's base product vs the costs of buying an entry. I'm not sure this is true. Zero marginal cost

>the more people find businesses, the more value the yp has in it's base product vs the costs of buying an entry. I'm not sure this is true. Zero marginal cost for usage does not create an opportunity for profit. How could it? Selling ads for your pages filled with ads?