Another way to measure is replication costs. How hard would it be to create another SpaceX if it failed as a company? My guess: Under $10 billion, but it would

Another way to measure is replication costs. How hard would it be to create another SpaceX if it failed as a company? My guess: Under $10 billion, but it would take 5 years, even if you had many of the former SpaceX people. Facebook, on the other hand, because it involves buy-in by over a billion customers, is weirdly harder to replicate.