The document discusses the building blocks of an innovation economy and provides examples from San Diego. It outlines six key factors that contribute to sustainable regional innovation capacity: 1) nimble industry strategies, 2) world-class research and education centers, 3) supportive business services, 4) land use strategies that encourage collaboration, 5) networking groups, and 6) amenities that attract talent. It then gives a brief history of San Diego's evolution as a center of innovation in sectors such as defense, technology, biotech, energy, and sports, tracing roots back to institutions like UC San Diego and research centers founded in the 1960s.