I think the (anticipated) trouble with targeted ads is that they compete for your attention with the content that you were trying to view in the first place. Im

I think the (anticipated) trouble with targeted ads is that they compete for your attention with the content that you were trying to view in the first place. Imagine you sit down to read a book and are first hit with an ad which, at that moment, actually seems more compelling than the book, because unlike the book, it has been perfectly refined by analyzing your actual behavior to attract your attention.