If mass communications blend together harmoniously, and often unnoticeably, art, politics, religion, and philosophy with commercials, they bring these realms of culture to their common denominator -- the commodity form. The music of the soul is also the music of salesmanship. Exchange value, not truth value, counts.
Herbert Marcuse (2012). “One-Dimensional Man: Studies in the Ideology of Advanced Industrial Society”, p.57, Beacon Press