Peter Shankman is a master networker, who pulls few punches and has a great sense of humor. He was recently at a conference in Las Vegas. "It’s bad enough to fight with the recycled air, the perfumed-at-50-degrees conference rooms, and the endless fried foods that pass for “healthy,” but you add in 200 people who have absolutely no clue how to network, and it’s enough to make you pull an Ocean’s Eleven and sneak out of the hotel in an ambulance," he said. Here are his top five ways to not screw up your next networking opportunity.