In the age of the viral video, anybody can become a star. But not everyone wants to be famous. Filmmaker Ben Steinbauer tracks down one of the internet's most colorful characters - RV salesman Jack Rebney, whose foul-mouthed commercial outtakes have attracted millions of fans across the world. Who is this unlikely pseudo-celebrity, and why are we engrossed by his outbursts? The answers may be more poignant than you think.