Thomas Barwick/DigitalVision via Getty Images What's the first image that comes to mind when prompted with the word "market"? It might be your online brokerage website, the stock pages of a newspaper's business section, the hectic trading floor of the New York Stock Exchange, or the even more hectic souks of Marrakesh (stay away from the aggressive watch salesmen!). For anyone with more than a few years of experience in the financial markets, you'll have observed much modernization in the way markets functi ...