Listen to the Radiolab podcast "Million Dollar Microsecond" found here:
Million Dollar Microsecond
1. What difference does the speed of light make to a stock trader?
2. What was the market's solution to solve the issues caused by your answer to (1)?
3. What is worrying about how the practice of high frequency stock trading has developed? How is this illustrated by the Flash Crash of May 6, 2010?