Communicating Politics Online - Chapman Rackaway - Google Books

https://books.google.de/books?id=il6HBAAAQBAJ&pg=PA33&dq=first+american+private+radio+stations&hl=de&sa=X&ei=Gvu4VIzWI8qwPP67gYA

The world of political communication is morphing almost constantly into new areas and realities. Online-only news, Web 2.0 user-created content, hyperlocal news, and the rise of the Twittersphere have all contributed to an ever-changing media environment.…