When I consider targeted advertising and the sheer amount of data that I've pumped into Google services over the years it's scary to see how accurate of a picture advertisers and co have of me.
Save your opt-out preference permanently http://www.google.com/ads/preferences/html/intl/en/plugin/
Ads Preferences Manager http://www.google.com/ads/preferences/?hl=en
Google Advertising and Privacy http://www.google.com/privacy/ads/