HISTORY: Many technical and economic problems had to be solved for television to evolve into the powerful industry and cultural force we have today.
INDUSTRY: An understanding of today's television industry includes understanding its delivery systems, which consist of cable, satellite, over-the-air broadcast, and new media alternatives such as cell phones and iPods.
CONTROVERSIES: Television is our most controversial medium, with the largest concern focusing on what it does to us as individuals and as a society.