What if we took all the lessons learned from the past 50 years and rebuilt a brand new computing platform, hardware and software, from scratch, removing all the extra layers of complexity, removing all the bottlenecks and not worrying about backward compatibility. We could even let go of the 0s and 1s, and replace it with something else.
Are there companies working on such a project? Would this allow us to gain orders of magnitude of value in terms of performance.
Note: My question concerns reusing existing base manufacturing technologies, I'm not talking about something like Quantum Computing.