I wasn't aware of this, but apparently billionaires absolutely despise leaving their cars to board other modes of transportation. You can just imagine Donald Trump sighing heavily in the back of his Maybach, "Do I really have to open the door and climb up those five little steps to board my Gulfstream V?"
No doubt feeling deeply for these disheartened millionaires, U.K. concept designer Philip Pauley has come up with the Halo Intersceptor [sic], a futuristic study for a car that can be transformed into a plane, a helicopter and even a boat.