1. Introduction by Terry Flew & Fiona R. Martin.- 2.Can Journalism Survive in the Age of Platform Monopolies? Confronting Facebook's Negative Externalities by Victor Pickard.- 3. Platforms and the Press: Regulatory Interventions to Address an Imbalance of Power by Philip M. Napoli & Asa Royal.- 4. EU Digital Services Act: The White Hope of Intermediary Regulation by Amélie P. Heldt.- 5. Holding the Line: Responsibility, Digital Citizenship and the Platforms by Lelia Green and Viet Tho Le.- 6. Regulating platforms' algorithmic brand culture: the instructive case of alcohol marketers on social media by Nicholas Carah & Sven Brodmerkel.- 7. Digital Platforms as Policy Actors by Pawel Popiel.- 8. Global platforms and local networks: an institutional account of the Australian news media bargaining code by James Meese & Edward Hurcombe.- 9. Regulating Chinese and North American Digital Media in Australia: Facebook and WeChat as Case Studies by Chunmeizi Su.- 10. State actor policy and regulation across the platform-SVOD divide by Stuart Cunningham & Oliver Eklund.- 11. Regulating discoverability in subscription video-on-demand services by Ramon Lobato & Alexa Scarlata.- 12. The Broken Internet and Platform Regulation: Promises and Perils by Winseck Dwayne.- 13. Self-regulation and discretion by Nicholas Suzor & Rosalie Gillet.- 14 Beyond the Paradox of Trust and Digital Platforms: Populism and the Reshaping of Internet Regulations by Terry Flew.