The document discusses how cities can become smarter through the use of big data and cloud technologies. It outlines several key aspects of smarter cities including healthy citizens, sustainable infrastructure, efficient transportation and resource use, and smart city planning. It also discusses challenges around managing massive and growing data from varied sources. Finally, it provides examples of how IBM technologies like cloud computing, analytics, and cognitive solutions can help cities integrate and analyze big data to improve areas like building management, urban informatics, and overall city operations.