Yeah; I would compare railroads/rockets to microcomputers/VR. The latter is definitely impressive, and unique, and evocative for futurists, and has some niche u

Yeah; I would compare railroads/rockets to microcomputers/VR. The latter is definitely impressive, and unique, and evocative for futurists, and has some niche use-cases, but doesn't have a clear "killer app". While the former had people - real businesses - chomping at the bit even before it became economical.