according to adage.com in 100 Leading Media Companies Report by Bradley Johnson ( October 1, 2007)
Advertising Age's 2006 Media Family Trees Poster shows the top properties of the largest US media companies by net revenue in 2006
Available as download (PDF)
Lots of work went into the creation of this chart. Why is it flat? In 2008, I want it interactive, searchable and hyper-linked with news and other useful data charts from Advertising Age (and the ROW), please!