If you’re not regularly running AdAware, you should be. It’s excellent, and it’s free. I don’t object (much) to people monitoring my activities from reasons of paranoia, but I do object to people making money off me without telling me that they are. Kill that spy-ware!
Of course, if you are paranoid, it’s even better (the program, I mean, the fact that you’re paranoid is not a good thing).
Also, here’s a treat for those of you who read Norwegian: The Odalizer.