If you're really tired of tracking cookies try these two programs
http://www.abine.com/dntdetail.php?
http://www.ghostery.com/
use with caution for LSO's or "supercookies" : http://nc.ddns.us/BetterPrivacy/BetterPrivacy.htm
And there is http://www.googlesharing.net/ to keep google in the dark while still using it.

If google was still just a search engine I'd trust them. They are into just about every aspect of the online experience now. The have gmail, google+, several analytics companies, youtube, and many other net services. For grins, this is a grab from a program called Collusion just to give you an idea of google connections in just a short period of time online without using blocking programs.
Yeah...I am probably too paranoid but who wants to be tracked... we have government entities for that