Jason Baumgartner, Fernando Bermejo, Emily Ndulue, Ethan Zuckerman and Joan Donovan are the authors of the article. Jason Baumgartner is founder of pushshift.io. Bermejo, Ndulue and Zuckerman are part of the Media Cloud team at MIT’s Center for Civic Media. Joan Donovan directs the Technology and Social Change Research Project at the Shorenstein Center on Media, Politics and Public Policy at Harvard. All are members of the International Hate Observatory project hosted at the MIT Media Lab.