I think the starting point of that could be more precisely identified as &quot;the fewer buyers for a given piece of software...&quot; the more expensive it is to own.<p>If you&#x27;re the only customer running OS&#x2F;2-on-NT-using-Token-Ring-over-Carrier-Pidgeon, you&#x27;re not going to have a good time when you find a bug or missing feature.