The NYT is reporting that Google’s expansion into traditional media is not going so well. See http://www.nytimes.com/2009/01/21/technology/internet/21google.html?partner=rss&emc=rss
As someone who has a fantastic media buyer, who I always turn to when I need TV or radio, I can assure you that they are still the most efficient way to buy media. They can do it better than you can, better than I can, and apparently, better than Google can.