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One thing about non-smoking ships. Carnival tried it with the Paradise, remember? They had trouble booking that ship, it was always one of the cheapest seven night cruises you could take for that reason. Also, it had the lowest on board revenue of any ship in the fleet. They figured that people who smoke like to drink and gamble more than non smokers, not sure if they were right but the figures indicated that was the case. It was a good experiment though.