Writing for the Computer and Writing for People

These are two different activities, but there is considerable overlap.

As any software instructor is quick to point out. 

I am taking a course on F#, a computer language, which interests me - but not most people. 

It is teaching me, once again, there are two kinds of people: Ordinary people and Computer people. 

The two can meet, and probably should meet, but are not likely to meet.