Accelerating city transformation using frontier technologies A U4SSC deliverable Foreword Acknowledgements Executive Summary List of abbreviations Introduction Cities of the future Connecting cities with the Sustainable Development Goals The objectives of this report Artificial intelligence AI and the fourth industrial revolution Optimising urban operations using AI In focus – using AI to create cycling routes, London In focus – AI for water quality monitoring, Shandong province The Internet of things IoT and a connected city Improving city efficiency using IoT In focus – the smartest building in the United Arab Emirates – the Burj Khalifa, Dubai In focus – IoT for food and farm systems- IoF2020 project, European Commission Digital twin Overview of digital twin Digital twin and cities In focus – virtual Singapore, Singapore Unmanned aerial vehicles/drones Overview on drones Enhancing urban monitoring and mapping using drones In focus – the camp fire in 2018, California In focus – tackling the novel coronavirus situation - June 2020, Telangana (India) Wearable technology Overview on wearable technology Improving health and quality of life using wearable devices In focus – cultural engagement and entertainment using wearables - MONICA, Lyon Virtual reality/Augmented reality Overview on VR/AR Enhancing urban planning using In focus – VR for urban planning and citizen participation, London, Canada Tracing the future path of frontier technologies in cities The technical challenges remain The role of standardisation in driving frontier technologies Conclusion