Most buildings stop checking identity at the front door. From the lift lobby up, everyone is simply a passenger.
That is the gap VertiVoy closes. Identity rides along — into the car, up the shaft, onto the floor. Floors get real boundaries rather than assumed ones. Journeys that need discretion get it. And every ride leaves proof, for the questions that only get asked later.
Over the coming weeks we will take each of those apart, one at a time. Starting with what actually happens when the doors close.