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.
Source: One-Dimensional Man, ch. 3, 1964.
-- Herbert Marcuse, (Jul 19 1898-1979), German-US political philosopher; His Marxist critical philosophy and Freudian psychological analyses of Western society were popular among student leftist radicals during the 1960s.