[Abimelex]

> The truth is that visitors who are so easily annoyed that a simple pop-up will cause them to leave the site weren’t very interested to begin with.

I don't agree here, maybe your service or newsletter is absolutely great for me as potential customer, but I close pages with newsletter popups instantly. Not because I'm annoyed, but to make a point. I guess a lot of services might have me lost because of this. You block yourself of getting even data from a user who's just a little privacy concerned.