I might add that 90% of the situations where I've thought about this in a software context as well have been "libre" -> "gratis" more or less inevitably. Again,

I might add that 90% of the situations where I've thought about this in a software context as well have been "libre" -> "gratis" more or less inevitably. Again, there are exceptions, but it's surprising how many people are happy to take something and run with it, no support, no "enhanced edition", no training, etc.