The wheel is an extension of the foot, the book is an extension of the eye, clothing an extension of the skin, electric circuitry an extension of the central nervous system.
Marshall McLuhanAny expensive ad represents the toil, attention, testing, wit, art, and skill of many people. Far more thought and care go into the composition of any prominent ad in a newspaper or magazine than go into the writing of their features and editorials.
Marshall McLuhanOn Spaceship Earth there are no passengers; everybody is a member of the crew. We have moved into an age in which everybody's activities affect everybody else.
Marshall McLuhan