Place your bets here. No, I'm not talking about horse racing or boxing matches, but marriages to be exact. At Weddingbetting.com, you can decide on how long a couple's marriage is expected to last. While making your wedding announcement online, be careful because your picture may end up as part of a wager. Some make take this website as an offensive play, but if you take things all in good humor, then maybe it's not so bad.