A prank video NASCAR driver Jeff Gordon did for Pepsi has gone viral, scoring more than 12 million views on YouTube. In it, a disguised Gordon gives a car salesman a terrifying and thrilling test drive while filming his reactions with a camera hidden in a can of Pepsi. The cola maker has revealed that a stunt man did some of the driving, and reports are that the car salesman was an actor, but ABC News cites tweets indicating that people who love the spot don't care if it's a real prank or not. As for Pepsi, they get exposure either way.