> The better the overall search algorithm, the less the need to hack around it by paying for placement.. All the things you need are not necessarily known to y

> The better the overall search algorithm, the less the need to hack around it by paying for placement.. All the things you need are not necessarily known to you in advance. It’s entirely possible that someone has created a new product that no one knows about, and allowing these companies to pay for visibility allows you to discover these ideas that you might end up finding useful. The idea is that when advertisers pay for placement, they better have a useful product (that can recoup the cost), or else they’ll be throwing money out the window.