30. Actors-Turned-Waiters

Breaking away from the step-and-repeat to interact with the crowd, actors including Uma Thurman served as waiters at a 2007 Sundance event. They wore T-shirts listing their first jobs on the front and their breakthrough films on the back.
Photo: Evan Agostini/Getty Images
43. Self-Portraits

Digital photo booth projections, like this one from Mark van S. at the Whitney Museum of American Art’s 2006 benefit, have become an event staple for mixing interactive entertainment and decor.
Photo: Nicole Villamora for Bizbash