I really enjoy maps that draw the shared ownership of different media companies. BlogTO recently created a map of the Toronto media:
News media in Toronto is following trends similar to those around the world – large corporations buy up smaller companies, and they also diversify by purchasing other forms of media and entertainment properties (such as magazines, television stations, telecommunications, and even pro sports facilities). Needless to say, this has profound implications – including the increase in popularity of cross-property advertising.
It’s expected that Rogers will use dedicated ad space to advertise its mobile phone, Internet, and TV services on the web pages of its subsidiary news organizations such as 680news and CityNews (much like blogTO promotes its Urban Maps in dedicated ad space on blogto.com).