Tarleton Gillespie is a senior principal researcher at Microsoft Research, an affiliated associate professor in the Department of Communication and Department of Information Science at Cornell University, co-founder of the blog Culture Digitally, author of Wired Shut: Copyright and the Shape of Digital Culture (MIT, 2007), co-editor of Media Technologies: Essays on Communication, Materiality, and Society (MIT, 2014), and author of Custodians of the Internet: Platforms, Content Moderation, and the Hidden Decisions that Shape Social Media (Yale, 2018).