The economic geography of the 21st Century is different from the last. We are at the dawn of an age of unprecedented global connectivity driven by technology. The channels of economic growth and participation this century provide a virtually bypass to the world’s traditional hubs, entrepots and gateways. Bangalore - a sleepy university town 20 years ago - is now India’s booming IT capital. German factories hum in Poznan and in Puebla, and as Bruce Katz highlights, the US is experiencing a metropolitan revolution, as small and medium post-industrial cities capitalise on their rich inheritance.