Apple, Twitter, Facebook and Google all began within 30 miles of each other in Silicon Valley. People from all over the globe give up a life somewhere else to come to the valley so they could start or be part of something big. There have been many theories about reasons for the success of Northern California in a variety of fields from aerospace to various iterations of the Internet. Greg Horowitt will reveal how the secrets of successful entrepreneurial economies are rooted in culture more than assets. He will examine tech powerhouses in Palo Alto to the steppes of Kazakhstan and everything in between. See it here.