A giraffe's tongue is over 18 inches (46 cm) long, and the roof of the mouth is grooved to easily strip leaves off branches. Since giraffes are extremely efficient at processing nutrients and liquids from food, they can survive without water for long periods of time.
The Authoritarian Theory describes the situation where states view the mass media as an instrument at all ties. The role of the media is to mainly educate citizens, and acts as a propaganda tool for the ruling party.
Media theory refers to the complex of social-political-philosophical principles which organize ideas about the relationship between media and society. Within this is a type of theory called `normative theory', which is concerned with what the media ought to be doing in society rather than what they actually do. In general, the dominant ideas about the obligations of mass media will be consistent with other values and arrangements in a given society.