If it's a site I visit regularly then: 1. I already subscribed/signed up/know about. 2. It's a really annoying advertisement which could have been shown in a

If it's a site I visit regularly then: 1. I already subscribed/signed up/know about. 2. It's a really annoying advertisement which could have been shown in a sidebar or, really, anywhere else. If it's a site I don't visit regularly I'm just there for the content - usually via a link from somewhere else - and I'm extremely likely to close the tab or at least completely ignore it. I'm trying to think of an example where this kind of pop over has been helpful but can't