Yeah wireless internet and mobile devices were talked about for a long time, then suddenly wifi/wireless networks and mobile devices appeared quickly and took o

Yeah wireless internet and mobile devices were talked about for a long time, then suddenly wifi/wireless networks and mobile devices appeared quickly and took over in a flash. Same with flat panel screens/tvs etc. At some point a killer implementation of the technology and costs come together making new innovation possible and market ready, and it is such a benefit that going back is nearly impossible or at least more problematic and costly. Even now, wired internet will go the way of the phone line when 5G or beyond are here, ISPs milking it until then. With cars, electric will take over quickly when costs come down, non electric cars will be around for a long time but they will be more and more costly. The change also creates such a growth market that it attracts tons of money/investment/marketing and it is a mad dash to get everyone using the new innovation, once it is business and market ready.