<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Media of the United States consist of several different types of media: television, radio, cinema, newspapers, magazines, and Internet - based Web sites . The U.S. also has a strong music industry . Many of the media are controlled by large for - profit corporations who reap revenue from advertising, subscriptions, and sale of copyrighted material . American media conglomerates tend to be leading global players, generating large revenues as well as large opposition in many parts of the world . With the passage of the Telecommunications Act of 1996, further deregulation and convergence are under way, leading to mega-mergers, further concentration of media ownership, and the emergence of multinational media conglomerates . These mergers enable tighter control of information . Currently, five corporations control roughly 90% of the media . Critics allege that localism, local news and other content at the community level, media spending and coverage of news, and diversity of ownership and views have suffered as a result of these processes of media concentration . </P> <P> Theories to explain the success of such companies include reliance on certain policies of the American federal government or a tendency to natural monopolies in the industry . See Media bias in the United States . </P>

The electronic media in the united states are primarily owned and operated by the federal government