Eli Noam discusses his new book Media Ownership and Concentration in America.
The concentration of private power over media has been the subject of intense public debate around the world. Critics have long feared waves of mergers creating a handful of large media firms that would hold sway over public opinion and endanger democracy and innovation. But others believe with equal fervor that the Internet and deregulation have opened the media landscape significantly. How concentrated has the American information sector really become? What are the facts about American media ownership?