That's an interesting way of thinking of the problem. Personally I have been involved with manual and not so manual effort. Obviously digging a trench ends afte

That's an interesting way of thinking of the problem. Personally I have been involved with manual and not so manual effort. Obviously digging a trench ends after you stop, but building an algorithm that does the equivalent thing, whatever that is, is not comparable as you don't stop thinking at 5PM?