The document introduces City24/7, a new platform that aims to transform cities through public-private cooperation and smart technologies. City24/7 is an interactive platform that integrates information from open government, businesses, and citizens to provide knowledge on any device. It intends to inform, protect, and revitalize cities by connecting people and improving safety, commerce, and tourism through access to real-time, local information on smart screens and mobile devices. The document outlines challenges cities currently face and how City24/7 seeks to address them through new economic models and technological connectivity between citizens.