Businesses in Edison say they'll see bigger sales this weekend due to an adult industry trade show.The Exxxotica Expo is being held through Sunday at the New Jersey Expo Center in Edison's Raritan Center.The Sheraton Hotel says business is up 30 percent from a normal weekend and every room is booked. Harold's New York Deli at the Holiday Inn also predicts a rise in sales.Officials in Edison said the trade show didn't belong in the township, but were unsuccessful in efforts to stop it.