A significant criticism of this theory is a result of its deterministic approach. Determinism insists that all of society is a result of or effected by one central condition. In some cases the condition can be language (linguistic determinism), religion (theological determinism), financial (economic determinism). In the case of McLuhan, Postman and Media Ecology, technology is the sole determinant for society and by breaking up time in measures of man's technological achievements they can be classified as technological determinism. According to Postman, "The printing press, the computer, and television are not therefore simply machines which convey information. They are metaphors through which we conceptualize reality in one way or another. They will classify the world for us, sequence it, frame it, enlarge it, reduce it, argue a case for what it is like. Through these media metaphors, we do not see the world as it is. We see it as our coding systems are. Such is the power of the form of information." Postman has also stated that "a medium is a technology within which a culture grows; that is to say, it gives form to a culture's politics, social organization, and habitual ways of thinking".