Having delivered the transit-focused keynote at the User Experience Professionals’ Association’s New York chapter for World Usability Day, Turnstone Consulting also published this lead feature in the mass transit special of the association’s magazine. About one of Turnstone’s favorite subjects, service design for New York’s yellow cabs, this piece effectively outlines a service blueprint for this little idea about connected cars, one that the City overlooked until it showed up some time later and bit them on the tush: Hello, Uber.