Social media and democracy: the state of the field, prospects for reform

Introduction / Nathaniel Persily and Joshua A. Tucker -- Misinformation, disinformation, and online propaganda / Andrew M. Guess and Benjamin A. Lyons -- Social media, echo chambers, and political polarization / Pablo Barbera -- Online hate speech / Alexandra A. Siegel -- Bots and CompBots computational propaganda : automation for communication and controlutational propaganda / Samuel C. Woolley -- Online political advertising in the United States / Erika Franklin Fowler, Michael M. Franz, and Travis N. Ridout -- Democratic creative destruction? : the effect of a changing media landscape on democracy / Rasmus Kleis Nielsen and Richard Fletcher -- Misinformation and its correction / Chloe Wittenberg and Adam J. Berinsky -- Comparative media regulation in the US and Europe / Francis Fukuyama and Andrew Grotto -- Facts and where to find them: empirical research on Internet platforms and online speech / Daphne Keller and Paddy Leerssen -- Dealing with disinformation : evaluating the case for CDA 230 amendment / Tim Hwang -- Democratic transparency in the platform society / Robert Gorwa and Timothy Garton Ash -- Conclusion : the challenges and opportunities for social media research / Nathaniel Persily and Joshua A. Tucker.