The answers are probably obvious, however, does anyone know the inner workings of Cash Cab? My guess is the "contestants" are pre screened and have signed the legal papers. Does the driver have a teleprompter as he does such a fine job sounding as if the questions are off the top of his head. They do an excellent job of pulling off picking up unsuspecting fares and asking them questions from point A to point B if, in fact, they are really driving through New York City.