According to a report released Tuesday by Veronis Suhler Stevenson, a media investment firm, U.S. consumers are increasingly shifting their attention away from traditional, advertising-supported media in favor of entertainment such as the Internet, video games and cable TV, which consumers pay for. As a result, the boom in online advertising is expected to continue.
via Wired.

And more info via : http://www.marketingcharts.com/television/2-trillion-in-global-entertainment-media-spending-by-2011-763/
Quickly, it stands that :
- $2 Trillion in Global Entertainment & Media Spending by 2011
- $153 billion would be assumed by digital and mobile spending
- internet advertising and access spending is expected to grow $332 billion
It’s a PricewaterhouseCoopers forecast : not easy to read but, come on ! they must be right ;)