a concept that exists to mediate between two opposing ideas, as a transition occurs between them. At the point where one idea has been replaced by the other, and the concept is no longer required, the mediator vanishes. Fredric Jameson introduced the term in a 1973 essay; used by Žižek
A careful reading of the Manifesto, however, suggests a somewhat different way of thinking about Marx's view of capitalism as a stage, for it can be grasped as a kind of enormous black box or "vanishing mediator,"