I don't know of a video that describes the situation, but the basics are here, in text:
<http://billcammack.com/2008/05/04/demographics-monetization/> Bill --- In videoblogging@yahoogroups.com, "michael_aivaliotis" <[EMAIL PROTECTED]> wrote: > > Do you know of any online video that gives a good overview of how the > business of network television works? Describing advertising, > demographics etc.? I know someone posted a link several months back on > this but can't seem to track it down. >