A key concept in The Medici Effect is the idea of intersections. This concept seems simple and common, but it isn't as common as we may think. He is not presenting intersections within fields, but rather intersections that occur when we cross fields and domains. Have you experienced intersections? If you have, give us an example and describe it. How did it work? What did it produce?
If you have not experienced an intersection, search for examples of intersections. There are many in the press and in popular literature on exciting growing businesses. Be careful though. It is easy to simply site an innovation or innovative product or service. You need to provide more information on the actual intersection. Discuss.