According to a recent report by The Media Audit, in the past three years, the average U.S. adult has nearly doubled their daily use of the Internet as the average U.S. adult spent 2.1 hours per day online in 2006, compared to 3.8 hours in 2008, an 81% increase over three years.  As a result, the Internet now represents 32.5% of the typical “media day” for all U.S. adults when compared to daily exposure to newspaper, radio, TV and outdoor advertising. Read more at www.mediapost.com