City Wi-Fi networks are being deployed right across the globe. Two big drivers are the economic benefits of free public Wi-Fi and ambitious plans to launch cities into the ‘Smart City’ age. So what do cities need to do to get City Wi-Fi deployments right? How can City Wi-Fi networks prepare for an IoT & Smart City future? What public-private partnership models exist? We look at the big questions, the challenges, and the opportunities in the race to become a Smart City.