information simply imposes its own assumptions on 
any situation, and those assumptions consist in a 
field of decentralized nuclei quite unlike any visual 
hierarchy of time or space arrangements such as 
we’re accustomed to in the Euclidean and 
Newtonian world.

Marshall McLuhan to Claude Bissell, Dec. 14, 1960, 
Letters of Marshall McLuhan , (Toronto, 1987), p. 
275.