You have to do your thinking before you computerize it or else the computer simply goes on strike.
I've been an IT professional for a quarter-century, and this statement applies to everything from applications design to systems engineering. If you haven't thought it out before it hits the processor, the only cure is to throw obscene and unnecessary amounts of money at the problem or give up and start over. I've profited from both.
I *think* the book was "The Coming Dark Age"-- but I wouldn't bet on that.