"Russians had a reputation for being the best programmers on Wall Street, and Serge thought he knew why: They had been forced to learn to program computers without the luxury of endless computer time. Many years later, when he had plenty of computer time, Serge still wrote out new programs on paper before typing them into the machine. "In Russia, time on the computer was measured in minutes," he said. "When you write a program, you are given a tiny time slot to make it work."