Chris Jay Hoofnagle is professor of law in residence at the University of California, Berkeley and affiliated faculty with the Simons Institute for the Theory of Computing. He is an elected member of the American Law Institute, and author of Federal Trade Commission Privacy Law and Policy (Cambridge University Press 2016). Hoofnagle is of counsel to Gunderson Dettmer Stough Villeneuve Franklin & Hachigian, LLP, and serves on boards for Constella Intelligence and Palantir Technologies. Simson L. Garfinkel is a pioneer in digital forensics, with a career in technology spanning starting a local internet service provider in 1995 to academia and government service. Garfinkel holds a Ph.D. in computer science from the Massachusetts Institute of Technology, was a tenured professor of computer science at the Naval Postgraduate School, and now is a Senior Data Scientist at the U.S. Department of Homeland Security, a part-time faculty member at the George Washington University in Washington, DC, and a member of the Association for Computing Machinery's US Technology Policy Committee (ACM USTPC). He has authored and edited 16 books, over 100 scholarly articles, and is a fellow of both the ACM and the Institute of Electrical and Electronics Engineers (IEEE). This book is written in Simson Garfinkel's personal capacity and does not reflect the views or policy of the U.S. Government, the U.S. Department of Homeland Security, the U.S. Department of Commerce, or the U.S. Census Bureau.