On the other hand, for the publishers this may be a net win. I’ve always argued that very narrow targeting mostly benefits the advertisers, and the publishers a

On the other hand, for the publishers this may be a net win. I’ve always argued that very narrow targeting mostly benefits the advertisers, and the publishers are left with a very small audience that yields a lot, and a very large audience that is difficult to sell. Of course, this may not be the case for Facebook et al, but it’s definitely the case for a lot of apps and websites that live off advertising. Now, without super narrow targeting, they are suddenly able to sell a lot more inventory.