At the same time, law number two, every 
innovation, as it does that it takes the old 
situation, whatever it was, and sidelines it. So, the 
motorcar, let’s say, makes walking unnecessary. 
Before the car people used to walk ten miles a day, 
to and from work. In The Return of the Native , 
Hardy has someone walk fifteen miles to work in 
the morning and walk home fifteen miles at night. 
Well OK, that was 100 years ago, 150 years ago, 
but people did it, if they couldn’t afford horses. 
And a horse was a pretty considerable piece of 
technology. It lead to developing roads. You had to 
have stabling facilities, and blacksmiths, and a 
whole range of services there. The medium for the