Unlike Medicine, many of the ideas that we had in the past were better than the commonly accepted way things are done now. Capability based security, for example was something that allowed you to run any program, with no danger to your system. It's not part of any common OS. They had it at Xerox PARC, but Steve Jobs chose not to take that part. On the other hand, the PARC focus on replicating paper was a step backwar…
Basically, haven't we "reinvented" this via "The Eternal Mainframe"? Only now it's called Amazon Web Services?