This innovative book explores the foundations of the smart city and, through a critique of its challenges and concerns, showcases how to redefine the concept for increased sustainability, liveability and resilience in urban areas. It undertakes a review of the smart city concept, providing a new perspective on how technology-based urban solutions must be centred around human dimensions to render more liveable urban fabrics. Chapters highlight how existing digital infrastructures can be coupled with emerging ones, so that they can provide increased efficiency and performance, with an ultimate objective of rendering safer, more sustainable, resilient and inclusive cities, aligning with the needs of the SDGs. The book also covers emerging technologies and concepts, such as 6G and the '15-minute city', underlining how these can develop within smart city frameworks. This is an invigorating look into the concept of the smart city and how it can be improved and rethought, making it useful for urban studies and human geography academics and researchers. It also offers helpful insights for policy makers and planners on how to increase the quality of life in modern cities.