Executive briefing on the metaverse Acknowledgements Table of contents List of abbreviations 1 Accelerating digital transformation through the metaverse 2 What is the metaverse 3 A disruptive area of innovation 3.1 Industrial metaverse 3.2 Metaverse in cities 3.3 Consumer metaverse 4 Underlying technologies 5 Policy and regulatory challenges 5.1 Accessibility and inclusion 5.2 Access 5.3 Competition 5.4 Data protection and privacy 5.5 Intellectual property 5.6 Interoperability 5.7 Cybersecurity 5.8 Online harassment 5.9 Sustainability 6 The importance of interoperability 7 The role of ITU 8 Conclusion Annex