One approach to finding the best solution to a problem is to start with a good solution and to then improve upon it. As World Chess Champion Dr. Emanuel Lasker said, “When you find a good move, look for a better one.” The great success of the Volkswagen Beetle was based on this concept. Every year small changes were made—only those that improved the vehicle. For decades, “the people’s car” was the most popular in the world.

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© Springer Science+Business Media, LLC 2007

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