This is just a simple application of the law of demand.
The record industry is actually subject to a very simple application of market forces.
One simple application of call graphs is finding procedures that are never called.
With a simple application on their mobile phones they can call home for free.
Programs might range from simple applications to complex operating systems like Linux.
Shotwell is a simple application, but it gets the job done.
A simple application like this probably can run in multiple instances on Windows.
Instead, they all preferred to find one extremely simple application and shove their entire lives into it.
I think we would be amazed at the statistics on how much productivity businesses have lost as a result of that simple application.
The importance of Smith's method went far beyond such simple applications, however.