Audi on Demand service delivers convenience and class

Game changers. There are services, gadgets and gizmos that forever alter the way we engage with the modern world. Yeah, we could live without them. But, why would we? Audi on Demand not only changes the definition of a rental car; it obliterates the old experience.
I tested this convenient car delivery service during a brief San Francisco visit in November. My 12-hour trip mixed a little work (interviews with tech experts and meetings with publishing contacts) with some pleasure (drinks with fri