Is this working for them? I find it hard to believe that targeting more and more specific groups is actually worth the money for them. Is it really worth it to whatever company makes Easy Bake Ovens to pay for that kind of specific advertising? It seems (naively) that they would be better off finding out where their customers congregate and just buying ads there, without the extra cruft.

I mean, logically it should be worth it because they pay for it, but part of me is wondering if the ad companies are conning their customers on this.