Most famous Smart Cities of the world : San Diego !

National Geographic Channel features San Diego as the only U.S. city in its acclaimed documentary series "World's Smart Cities". San Diego was chosen for its strong technology sector, local innovators, green practices, smart public planning and an unparalleled quality of life. Other selection factors included San Diego's size of population, demographics/cultural diversity, livability, economy and business climate, educational institutions, leadership and strong sense of community.