Who owns the Media?

The U.S. media landscape is dominated by massive corporations that, through a history of mergers and acquisitions, have concentrated their control over what we see, hear and read. In many cases these giant companies are vertically intergrated, controlling everything from initial production to final distribution.
These charts are derived in part from information gathered by Columbia Journalism Review’s Who Owns What? site, one of many excellent resources on the web regarding media ownership..