Maybe I've mention this before, maybe I have not, but I am publishing mobile apps now! Currently, they don't make much money but I hope that will change in the future. There is not much to say about apps these days. People seem to want an app for everything now. The PC is (sadly) disappearing into the past.
I find apps to be a bit easier for an individual to produce and actually sell on his own. Typically, software takes a very long time with great risks. With the traditional development, it would take far too much time and is often out of date by the time it hits market.
I think that this is the future. To say that people will have towers on their desks will be quite unlikely in the future.