Tech Tuesday over at ZDnet is all about *spyware*. If you're not a regular in our security forum and are unsure how to verify the integrity of your PC, then you could do a lot worse than check out the articles there.
Oh that's right, they don't give you that option they just install without your knowledge, operate under cloak of secrecy and transmit your whereabouts and other personal info to who knows where.
Sounds like a legitimate business model to me! (yes I'm being sarcastic)