BA, Computer Science, Brown University; MSc, Sociable Media, MIT Media Lab; PhD, School of Information, University of California, Berkeley. Formerly, ethnographer and social media researcher, Intel, Tribe.net, Google and Yahoo. Research focus: the role of social media in society (with an emphasis on youth practices). Currently: Senior Researcher, Microsoft Research; Research Assistant Professor, New York University; Visiting Researcher, Harvard Law School; Research Fellow, Born This Way Foundation. Frequent public speaker and blogger.