Several years ago I vacationed in Bali (my employer was paying -- woohoo!). At the time, the exchange rate was 10,000:1. So I'd walk into a bank with $100US, an

Several years ago I vacationed in Bali (my employer was paying -- woohoo!). At the time, the exchange rate was 10,000:1. So I'd walk into a bank with $100US, and walk out as a "millionaire" in Indonesian Rupiah. When you buy something in a store there, they pretty much ignore the two least significant digits. They make up the rounding error for you by giving you a handful of mints.