The document discusses the Frankfurt School of critical theory and its key figures. It summarizes their views on how advertising and propaganda manipulate public behavior by appealing to emotions rather than facts. Figures like Freud, Reich, Adorno, Horkheimer, Marcuse, Habermas are discussed. They analyzed how Enlightenment ideals of reason and liberation were subverted and humans dominated. Habermas aimed to rationally evaluate norms and legitimize social decisions through open communication to bridge the fact-value divide.