For the first time a majority of the world’s population lives in urban areas. Increased urbanization brings new demands for technology to make city life more pleasant, healthy, and efficient. New low-cost sensors and advanced data analytics, among other technologies, have given rise to smart cities across the United States. However, many cities are struggling with how to best select, deploy, and maintain smart city technologies. In its recent report, the Center for Data Innovation (CDI) said that national governments have an important role to play in accelerating and coordinating smart city development.