What is the most advanced technology used in elevators?

Serial link communication controllerAdvance weight senseConnected with elevator companies server which send alert in case of fault.Connected with Building management systemPassword protected specific floorAdvance encoder for accurate position and perfect floor levelAutomatic cancellation of nuisance calls.Diagonal infrared beam which can detect a passenger who is about to enter in elevator.Advance installation for high rise in which lift can be

If you are to start a new country in 2019, with all the technological advancement and lessons from the past, what are the infrastures that will accelerate the country growth?

Because of the economic law of comparative advantage it can be hard to answer in the abstract: islands better suited for tourism would want different things than an extractive mining country, but in general you can skip over phone lines and go straight to wireless, use fiber-optics for connecting to outside for heavy