Anyone conducting keyword ad campaigns on sites like Google Adwords and Yahoo Search Engine Marketing should check out these two recent articles on click fraud:

Via Rough Type and Micro Persuasion.

About the Author
Todd Zeigler
Todd Zeigler serves as the Brick Factory’s chief strategist and oversees the operations of the firm. In his sixteen year career in digital, he has planned and implemented campaigns for clients including the Pickens Plan, International Youth Foundation, Panthera, Edison Electric Institute, and the American Chemistry Council. Todd develops ambitious online advocacy programs, manages crises, implements online marketing strategies, and develops custom applications and software. He is bad at golf though.