Follow the below link to add or delete interests to your Google profile so you only see ads that are relevant to you. Why is not every publisher or online retailer offering something similar? The technology certainly is not rocket science and aside from increasing trust with customers by being open about profiling and putting them in control it has also the potential to significantly increase response and conversion rates!

http://www.google.com/ads/preferences/

Interest areas you can chose from are: Animals, Arts & Humanities, Automotive, Beauty & Personal Care, Business, Computers & Electronics, Entertainment, Finance & Insurance, Food & Drink, Games, Home & Garden, Industries, Internet, Lifestyles, Local, News & Current Events, Photo & Video, Real Estate, Recreation, Reference, Science, Shopping, Social Networks & Online Communities, Society, Sports,. Telecommunications, Travel.