100 years ago, we were just getting around to inventing the light switch. I think you are seriously underestimating the pace at which this technology is advanc

100 years ago, we were just getting around to inventing the light switch. I think you are seriously underestimating the pace at which this technology is advancing. It might take 10+ years for this technology to become mainstream in all likelihood. But 100 years? Not a chance.