I actually haven't verified personally if the keywords are passed along with ads, I was going by the claims made in the article. If you are concerned about you

I actually haven't verified personally if the keywords are passed along with ads, I was going by the claims made in the article. If you are concerned about your keyword data being aggregated and stored based upon referrals and associated with IP, I have bad news for you. This data has been being aggregated and cross referenced not only by sites and advertisers but also third party aggregators for more than a decade.