WHEN A PASSENGER looking for a taxi orders an Uber, all it takes is a number of faucets on a smartphone to make a automotive seem, as if by magic. Visitors allowing, they’re quickly whisked to their last vacation spot. However the magic methods don’t finish there. As quickly as that display screen is pressed, the passenger—together with all of Uber’s different riders, drivers and the programs that join them—turns into a part of a complete digital duplicate of the agency’s internal workings.