What makes a city fast? It starts with opportunity -- a culture that nurtures creative action and game-changing enterprise. It's where the number of patents filed is high, or where the high-tech sector is expanding. These cities invest in physical, cultural, and intellectual infrastructure that will sustain growth. Finally, fast cities are full of highly creative people. Here are the 30 fastest cities that are shaping the future of the world.

Learn more about Fast Cities 2007, rate and comment on our choices, view the interactive map, and even submit your own to place it on the map.