The many regional and national public broadcasters are organised in line with the federal political structure. Around 90% of German households have cable or satellite TV, and viewers can choose from a variety of free-to-view public and commercial channels. Pay-TV services have not become popular or successful while public TV broadcasters ZDF and ARD offer a range of digital-only channels.Country profile: Germany, BBC News. Retrieved 7 December 2007. Reality TV is the most popular programming in Germany and a key part in modern German culture.
