Every now and then an interesting question enters my mind, this is one of them.
IGN don't know the answer:
http://boards.ign.com/Message.aspx?topic=158862424&brd=5296
Neither does Yahoo Answers:
http://answers.yahoo.com/question/index;_ylt=AuCRDwVSf7A2CXDCXZTU5nvsy6IX;_ylv=3?qid=20080212005527AAjazjG
I think, personally, the world would end as we know it.