Evolution of TV Viewingby John Carey, Adjunct ProfessorColumbia University Graduate School of Business
(MS-Word document)http://www.tvmeetstheweb.com/may2002/presentations/carey.doc
Professor Carey gives an easy to read overview of how new TV products and services have been behaviorially adopted and used over the decades, primarily in the US.
I also learned that I am not the only person that likes to surf the web while watching TV (sometimes on the same subject - sometimes not).