An interview by MarkUp’s Editor-in-Chief Julia Angwin: “…What is  differential privacy and how does it work? I spoke this week with one of its inventors, Cynthia Dwork. She is the Gordon McKay Professor of Computer Science at the Harvard Paulson School of Engineering, the Radcliffe Alumnae Professor at the Radcliffe Institute for Advanced Study, and a Distinguished Scientist at Microsoft Research…”