but it has now been assumed   into patterns of 
electric speeds. This change of pace from 
“production line” to “on-line” computer 
programming has been ignored, just as the shift 
from “hardware” to “software” accelerates, making 
the old categories meaningless.

Marshall McLuhan and Barrington Nevitt, Take  
Today: The Executive as Dropout , (New York, 
1972), pp. 232-33.