Great piece, thanks for sharing your thoughts. Its a fascinating concept to think about what is to come and we live in exciting times indeed.
"Thanks to advances in artificial intelligence, robotics, nanotechnology and more, we are approaching the point of near zero-marginal cost for the creation and delivery of all kinds of content, not just digital stuff but physical stuff too."
It will come in layers, the layers we see today is more close to a more floating social economy indeed - With the rise of uber, airbnb and the rest of the sharing economy. One invention at a time adds to the process we see now: Electricity went from rare to abundant, computer power has exploded in usage because the effectiveness on producing the power has been exponentially more easy.