In one of the most important books in the history of Western philosophy, The Republic, Plato illustrates the allegory of the cave. He likens individuals to prisoners who are chained in a cave and unable to turn their heads. They cannot see the real objects behind them but only the cast shadows of the real objects which fall on the cave's wall in front of them.
In the modern era, Lippmann referred to Plato's allegory to explain the media's function in the society. He stated that indivi ...