Somewhere along the way, vendors decided that the best way to attract attention at trade shows is to get weird. And so they did -- by adorning their expo hall space with screaming signage; bringing in modern day carnival barkers to run noisy games and prize giveaways; and hiring people to walk around wearing funny costumes.

It's a proven model, and an effective one. At the RSA 2013 security conference, CRN walked the expo hall floor in search of extraordinary sights, and here we present 10 examples that grabbed our attention.