Ad of the Day: Carlsberg

Would you have the guts to brave a movie theater full of bikers?

As we've learned many times in recent weeks, real-world advertising stunts are not without their risks. ConAgra and Ketchum had that hidden-camera fiasco with the food bloggers. Dodge and Wieden + Kennedy ran into problems with their hidden vehicles. It's never a sure thing. But it's a whole lot easier when you keep the variables to a minimum—even if you have to enlist dozens of bikers to help you out.