Image via WikipediaHere's a new bar bet: Ask people to bet what the fifth-most-traded currency in the world is, after the U.S. dollar, the yen, the pound, and the euro.Answer: Surprisingly (I think) the Australian dollar. I would have gone through China (the one doing the trading), Russia, India, Brazil, Mexico, South Korea, and a lot of other countries before I'd have guessed Australia (if I ever would have)....
