Spend more than a day at the North American International Auto Show and you realize that there are many tricks to selling a car, and few involve the car. It can mean putting stuff on the roof, to convey a particular lifestyle through a kayak (Volkswagen), or a bike or snowboard (Suzuki). If you’re MINI, it’s a DJ and team of twenty-somethings who wear matching blue fleece jackets and tight blue jeans one day, and matching red sweatshirts and tight black pants the next. If you’re Ford, it’s the Ford VJ station, at which one can tape a video message to be displayed on a floor-to-ceiling screen. (“Does this have something to do with the technology in the cars?” I asked. “Nope,” an eager VJ told me. “It’s just for fun!”) Toyota has a game stage where you can win M&Ms for answering questions about watershed moments in Toyota history,… More…