>Maybe a combination of all three. Likely. How big each "slice" is would be good to know. I wish someone would study it in depth, if it's even possible to fair

>Maybe a combination of all three. Likely. How big each "slice" is would be good to know. I wish someone would study it in depth, if it's even possible to fairly analyze. I don't necessarily think your analogy with MS word is a fair or correct one, FWIW, only because once you build something the functionality is able to be distributed and replicated. Employees require active up keep in a way that software really doesn't.