I enjoyed your article on nano services, I think it will open up a lot of opportunities that have been previously considered "it will happen someday...". There are so many use cases.
As for Powping, yes you're right that's possible. In fact that would be the most straightforward model which can be implemented even right now. The reason we're not implementing a business model today is because I already know this is possible, but at the same time don't want to lock Powping into a single business