5-3d Innovation is invention catching on. Innovation itself is technology, and technology is knowledge. Innovation is knowledge becoming public.

5-3e Matt Ridley - ‘Knowledge is both a public good and a temporarily private one. Knowledge is expensive to produce, but can sometimes pay for itself.‘

5-3c1 One of the lessons from the last era of the internet is that if a service needs to be built, it will probably get built — if not as a public good, then as a private good