This is one of the familiar "cycles of reincarnation" in software: main frame vs. local PC. First there was the main frame, with the "PC" being a dumb terminal

This is one of the familiar "cycles of reincarnation" in software: main frame vs. local PC. First there was the main frame, with the "PC" being a dumb terminal used to access it. Then came the PC revolution, which put everything on the desk in front of you. Next came the cloud revolution, which is really main frame 2.0 with the PC (and mobile devices) demoted to dumb terminals with better UIs. Now we're seeing a renewed movement back toward personal local computing and distributed decentralized networks, and around and around we go...