Alive with movement and excitement, cities transmit a rapid flow of exchange facilitated by a meshwork of infrastructure connections. In this environment, the Internet has advanced to become the prime communication medium, creating a vibrant and increasingly researched field of study in urban informatics. The Handbook of Research on Urban Informatics: The Practice and Promise of the Real-Time City brings together an international selection of 66 esteemed scholars presenting their research and development on urban technology, digital cities, locative media, and mobile and wireless applications. A truly global resource, this one-of-a-kind reference collection contains significant and timely research covering a diverse range of current issues in the urban informatics field, making it an essential addition to technology and social science collections in academic libraries that will benefit scholars and practitioners in an array of fields ranging from computer science to urban studies.