Daniel J. Cohen is an Associate Professor of History and the Director of the Center for History and New Media (CHNM) at George Mason University. He is the author of Equations from God: Pure Mathematics and Victorian Faith (Johns Hopkins), coauthor with Roy Rosenzweig of Digital History: A Guide to Gathering, Preserving, and Presenting the Past on the Web (University of Pennsylvania), and has published articles on the history of mathematics and religion, the teaching of history, and the future of history in a digital age in journals such as the Journal of American History, The Chronicle of Higher Education, and Rethinking History. He is an inaugural recipient of the American Council of Learned Societies Digital Innovation Fellowship. At CHNM he has directed projects ranging from digital collections (September 11 DigitalArchive) to scholarly software (Zotero). He blogs at dancohen.org, tweets @dancohen, and podcasts at http About TEDx, x = independently organized event In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and