8/ One day in an elevator I met a cocky young Kazakh guy who was hustling exchange rates; I think this is arbitrage, on micro-scale. He'd take a few hundred dollars to one exchange counter, change them for something, then for something else at an exchange counter twenty feet away. He went on like this, claimed he was making $20USD/hr while he waited for his ship to come in. I wanted to interview him, but knew it'd be dangerous,