I realize that this is very much a first world problem.
I'm getting really tired of web sites that pop up a new page -- one that pop-up blockers don't seem to be able to intercept -- when you move the cursor in a way that suggests that you're about to leave the site. Its barely ok when the page will go away if you click on the original, still-displayed page. But some of them require you to click on the 'x' to make it go away.
Its almost enough to drive me back to reading books. Is it possible that this is simply a plot on the part of the world's librarians?