It embodies a form of thinking that orients a person to approach the world in a particular way. Computers involve ways of thinking that under current educational conditions are primarily technical . The more the new technology transforms the classroom into its own image, the more a technical logic will replace critical political and ethical understanding. The discourse of the classroom will center on technique, and less on substance. In moving from the print to the electronic age, McLuhan believed that the Western world was evolving, cognitively, toward a right-brain dominant society.
Some media seem to generate their own markets.
He notes that many corporations originally purchased computers with little idea about what they might be used for. Now of course they couldn't do without them. It is certainly in their self-interest to convince us of the educational worth of technology. Schools represent an enormous market for computers and other such technological tools relentlessly in search of other uses. By way of students and their classrooms, access to the potentially more lucrative home market is opened up.