The visible world is no longer a reality and the unseen world is no longer a dream. - Marshall McLuhan

Language is metaphor in the sense that it not only stores but translates experience from one mode into another. Money is metaphor in the sense that it stores skill and labour and also translates one skill into another.

The increase of visual stress among the Greeks alienated them from the primitive art that the electronic age now reinvents after interiorizing the “unified field” of electric all-at-onceness. (p. 72)

The constant broadcast and reception of ghostly images via radio and television, according to this notion, had weakened the sense, particularly among youth, of possessing physical the sense, particularly among youth, of possessing physical bodies and private identities.

McLuhan CD-ROM