Added dimension: Digital deployment fuels U.S. cinema ad growth
http://www.filmjournal.com/filmjournal/content_display/news-and-features/features/cinemas/e3i903e2873d422638c8f9c4e5e2568815c
The Big Picture:Cinema Advertising Reached $600 Million Mark in 2006
http://www.digitalcinemareport.com/thebigpicture_104.html