In practice, making existing cities smart is proving hard. Many different stakeholders need to be involved, while sensors, controls and connectivity can be difficult to install in dense urban environments. In response, some cities are now experimenting with low cost, low power Internet of Things technologies that could usher in a new wave of smart city applications. In the medium-term, 5G technologies are also promising to give municipalities access to ultra-reliable, low latency bandwidth. Is the smart city era finally upon us? Check out this editorial report from RCR Wireless to find out.