Target Marketing

Is the best target marketing happening on the porches of America?
Sounds like it from this piece in the New York Times:

At a press conference on Monday, Steve Rosenthal, founder of ACT, demonstrated how his hundreds of canvassers are going door-to-door, armed with palm pilots bearing 16 second promotional videos about issues, tailored to each homeowners interests. The group determined that people had an attention span of 16 seconds for videos at the door, "no more, no less."