All media are extensions of some human faculty- psychic or physical.
Interface, of the resonant interval as 'where the action is', whether chemical, psychic or social, involves touch.
It is always the psychic and social grounds, brought into play by each medium or technology, that readjust the balance of the hemispheres and of human sensibilities into equilibrium with those grounds.
If people were able to be convinced that art is precise advance knowledge of how to cope with the psychic and social consequences of the next technology, would they all become artists?
All media work us over completely. They are so pervasive in their personal, political, economic, aesthetic, psychological, moral, ethical, and social consequences that they leave no part of us untouched, unaffected, unaltered. The medium is the massage. Any understanding of social and cultural change is impossible without a knowledge of the way media work as environments. All media are extensions of some human faculty - psychic or physical.