At Google we're focused on developing technology that brings highly qualified customers to our advertisers in cost-effective new ways. The Content-Targeted Advertising™ service is our latest addition. It displays Google AdWords™ ads on web content pages related to your chosen keywords—so you're provided broader exposure and greater reach for your AdWords campaign.....

Targeted Google AdWords ads will be clearly displayed on content pages, as well as search pages, of sites including HowStuffWorks, Weather Underground, Blogger, and others.