Data stores, intelligent real-time data collection, access to city-wide infrastructure and urban informatics, which involves new and powerful analytics associated with using big data to understand and control various functions in the city, have the potential to change everything we know about urban systems. Here we define various analytics that involve self-monitoring, analysis and reporting technologies (whose acronym is associated with the term smart) which we suggest define the notion that cities are becoming intelligent in the operation of routine functions and provide a snapshot of various developments that we have been associated with.