It may not be the stuff of unicorns, but there are quite a few niche markets where you might have someone who knows the problem space inside-and-out who may not

It may not be the stuff of unicorns, but there are quite a few niche markets where you might have someone who knows the problem space inside-and-out who may not be a coder. I've seen niche software that does everything from manage a farm to inserting those annoying mini-flyers into monthly mailed bills that you get from utility companies.