> Companies paying for ads don't know any different, because you're paying for impressions, not engagement/convergence (e.g., clicks). Companies are paying for

> Companies paying for ads don't know any different, because you're paying for impressions, not engagement/convergence (e.g., clicks). Companies are paying for impressions, but they will reduce their spending if the impressions do not result in conversions. It's trivial to tell if a visitor to your store came from Facebook, Google, or wherever.