Very interesting article and link on how to remove yourself from internet based ad networks.
Link: http://www.zdnet.com/blog/storage/opt-out-of-60-ad-networks-in-3-minutes/1145?tag=nl.e539
Link: http://www.zdnet.com/blog/storage/opt-out-of-60-ad-networks-in-3-minutes/1145?tag=nl.e539