Toshiya Jitsuzumi is Professor of Telecom Policy at the Faculty of Policy Studies, Chuo University, Japan. He is Director of the Japan Society of Information and Communication Research. His research focuses on network neutrality, platform regulation, and rulemaking for artificial intelligence (AI). He has been a member of various committees on internet policy and AI strategy at the Ministry of Internal Affairs and Communications. From 2018 to 2019, he served as a vice chair of the Committee on Digital Economy Policy at OECD. He is currently a member of the Responsible AI working group of the Global Partnership on Artificial Intelligence. Hitoshi Mitomo is Professor of Telecommunications Economics and Policy at the Graduate School of Asia-Pacific Studies (GSAPS) and Director of Digital Society (IDS) at Waseda University, Japan. He is President of the Japan Society of Information and Communication Research. He is Vice Chair of the International Telecommunications Society (ITS). His research spans a wide range of socioeconomic and regulatory issues related to ICT and media. While serving as a member of the Telecommunications Council of Japan’s Ministry of Internal Affairs and Communications, he has been involved in various ICT and media policy development.

• Foreword.- Introduction.- Chapter 1. Development of Infrastructure Sharing in the Mobile Market.- Chapter 2. Regulating Online Platforms.- Chapter 3. Interdependency on the Data Platform and its Effect on the Diffusion of Autonomous Driving.- Chapter 4. Video/Visual Content Industry in Japan.- Chapter 5. 5G trends and its use cases.- Chapter 6. Measures to develop AI human resources in Japan- Society 5.0 and investment in the next generation.- Chapter 7. New competition in regulated service markets after smartphone diffusion: Regulations on ride-hailing services in Japan.- Chapter 8. The preference of payment of game players in the cross-platform era: Based on the results of a survey of smartphone users in Japan, the U.K. and China.- Chapter 9. Acceptability of the "Right to be Forgotten" in Japan.- Chapter 10. The economic value of personal information: analysis of information leakage incidents.

Toshiya Jitsuzumi is Professor of Telecom Policy at the Faculty of Policy Studies, Chuo University, Japan. He is Director of the Japan Society of Information and Communication Research. His research focuses on network neutrality, platform regulation, and rulemaking for artificial intelligence (AI). He has been a member of various committees on internet policy and AI strategy at the Ministry of Internal Affairs and Communications. From 2018 to 2019, he served as a vice chair of the Committee on Digital Economy Policy at OECD. He is currently a member of the Responsible AI working group of the Global Partnership on Artificial Intelligence. Hitoshi Mitomo is Professor of Telecommunications Economics and Policy at the Graduate School of Asia-Pacific Studies (GSAPS) and Director of Digital Society (IDS) at Waseda University, Japan. He is President of the Japan Society of Information and Communication Research. He is Vice Chair of the International Telecommunications Society (ITS). His research spans a wide range of socioeconomic and regulatory issues related to ICT and media. While serving as a member of the Telecommunications Council of Japan’s Ministry of Internal Affairs and Communications, he has been involved in various ICT and media policy development.

• Foreword.- Introduction.- Chapter 1. Development of Infrastructure Sharing in the Mobile Market.- Chapter 2. Regulating Online Platforms.- Chapter 3. Interdependency on the Data Platform and its Effect on the Diffusion of Autonomous Driving.- Chapter 4. Video/Visual Content Industry in Japan.- Chapter 5. 5G trends and its use cases.- Chapter 6. Measures to develop AI human resources in Japan- Society 5.0 and investment in the next generation.- Chapter 7. New competition in regulated service markets after smartphone diffusion: Regulations on ride-hailing services in Japan.- Chapter 8. The preference of payment of game players in the cross-platform era: Based on the results of a survey of smartphone users in Japan, the U.K. and China.- Chapter 9. Acceptability of the "Right to be Forgotten" in Japan.- Chapter 10. The economic value of personal information: analysis of information leakage incidents.

Toshiya Jitsuzumi is Professor of Telecom Policy at the Faculty of Policy Studies, Chuo University, Japan. He is Director of the Japan Society of Information and Communication Research. His research focuses on network neutrality, platform regulation, and rulemaking for artificial intelligence (AI). He has been a member of various committees on internet policy and AI strategy at the Ministry of Internal Affairs and Communications. From 2018 to 2019, he served as a vice chair of the Committee on Digital Economy Policy at OECD. He is currently a member of the Responsible AI working group of the Global Partnership on Artificial Intelligence. Hitoshi Mitomo is Professor of Telecommunications Economics and Policy at the Graduate School of Asia-Pacific Studies (GSAPS) and Director of Digital Society (IDS) at Waseda University, Japan. He is President of the Japan Society of Information and Communication Research. He is Vice Chair of the International Telecommunications Society (ITS). His research spans a wide range of socioeconomic and regulatory issues related to ICT and media. While serving as a member of the Telecommunications Council of Japan’s Ministry of Internal Affairs and Communications, he has been involved in various ICT and media policy development.

• Foreword.- Introduction.- Chapter 1. Development of Infrastructure Sharing in the Mobile Market.- Chapter 2. Regulating Online Platforms.- Chapter 3. Interdependency on the Data Platform and its Effect on the Diffusion of Autonomous Driving.- Chapter 4. Video/Visual Content Industry in Japan.- Chapter 5. 5G trends and its use cases.- Chapter 6. Measures to develop AI human resources in Japan- Society 5.0 and investment in the next generation.- Chapter 7. New competition in regulated service markets after smartphone diffusion: Regulations on ride-hailing services in Japan.- Chapter 8. The preference of payment of game players in the cross-platform era: Based on the results of a survey of smartphone users in Japan, the U.K. and China.- Chapter 9. Acceptability of the "Right to be Forgotten" in Japan.- Chapter 10. The economic value of personal information: analysis of information leakage incidents.