You can target ads in other ways, for example, by putting them on a certain website (see: Hackernews) or websites could allow some granularity by allowing indiv

You can target ads in other ways, for example, by putting them on a certain website (see: Hackernews) or websites could allow some granularity by allowing individual sections separate ads (the Financial section of the NYT could show some Pyramid Scam and the Health section a insurance ad)