If you had all the money in the world, where would you choose to live? Some would pick a high-rise apartment in a major city, while others might opt for a luxury hotel. Some of the world’s richest people dream of something a bit more lofty — the high seas. Of course, they’re not about to rough it in a dinghy. Instead, they choose to live aboard the MS The World, a luxury cruise ship where you can own the cabin you sleep in. Would you live on this boat?