http://www.mediapost.com/publications/?fa=Articles.san&s=92233&Nid=48096&p=296990
Facing a souring economy, U.S. Internet ad revenue grew 15.2% during the first half of 2008 to $11.5 billion compared to the year-earlier period, according to a new report by the Interactive Advertising Bureau and PricewaterhouseCoopers.