Technology is advancing so quickly on so many fronts, and sending so many old technologies to obsoletion, that it's hard to know if the big thing today will even be relevant in 20 years.
Discussion
The next two decades will change more than the last centuries.
Let’s hope that the freedom technology outcompete the social credit tech.
It's an arms race as Satoshi said.
AI is the next big thing that will probably be here 20 years for now. But if you're right, it may be obsoleted in 20 years. But obsoleted by what?