Meet the Online Help Team! (from left to right) Lisa, Andrew, Sarah, Allison, Alexa
http://adwords.google.com/support/aw/bin/topic.py?topic=15911&ctx=search&query=exclude%20sites
http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=60150
http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=90864
https://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=52762
