I would also add that it's not easy to tell which revolution you're in the midst of (if any). VR technology was also thought to be a revolution a decade back a

I would also add that it's not easy to tell which revolution you're in the midst of (if any). VR technology was also thought to be a revolution a decade back and it hasn't really delivered. Or take crypto for instance. Is it a financial revolution that will build a mega-corp like Amazon or Google in the upcoming decades or will it slowly fade away.