Spanish Abstract: Este articulo presenta una reflexion sucinta sobre la condicion humana, a la luz del sujeto racional y el consumo y uso de tecnologia, teniendo como referente a Herbert Marcuse y tomando como temas centrales algunas de sus obras: Tecnologia, guerra y fascismo, Eros y civilizacion y El final de la utopia. En ellas se podran identificar aspectos de la condicion humana en el siglo XX, abordados a traves de la racionalidad tecnologica en una sociedad de consumo. English Abstract: This article presents a concise reflection on human condition, in the light of the rational subject and consumption and use of technology, having Herbert Marcuse as a model, and taking as the main topics some of his works – Technology, War, and Fascism, Eros and Civilization, and The End of Utopia. – Through these, it will be possible to identify some aspects of human condition in the 20th century, addressed from the technological rationality in a consumer´s society.