An interesting link for analysing and studying media corporations

A condensed concept map of what the major media corporations own just in the USA! Click on the map to enlarge.

This is a useful site with good posts and links on mass media organisiations.
Check out the analysis and the links for extending your own knowledge of institutions and the issues surrounding them.
http://powerofmediaconglomeration.blogspot.com/

I've also place this link in the media ownership section of links on the right of this blog.