Michael Schudson and Jueni Duyen Tran are contributors to CJR. Schudson is a sociologist and historian of the news media and a professor at the Columbia Journalism School. His latest book are The Rise of the Right to Know: Politics and the Culture of Transparency, 1945-1975 and, with C. W. Anderson and Leonard Downie Jr., The News Media: What Everyone Needs to Know. Jueni Duyen Tran is a PhD candidate at Columbia Journalism School, where she researches how platform affordances and features affect social media users' content sharing decisions.