Halloween is upon us. With it come terrifying visions of specters, apparitions and phantoms. Preternatural creatures are not the only thing that can strike terror in the hearts of event marketers. Horror stories of everything from missing trade show booths to forgetting equipment back at the office can be enough to keep even the most seasoned event marketer up at night. Below, we highlight three frightful follies that event marketers can fall prey to, as well as tips on how to avoid these trade show mistakes.