he became a marketing consultant and executive at several high-tech companies, and currently serves as a fellow at the berkman center for internet and society at harvard law school, where he co-teaches a class on "the web difference" with john palfrey. in addition, he is co-director of the harvard library innovation lab at harvard law school. he had the title senior internet advisor to howard dean's 2004 presidential campaign, and provided technology policy advice to john edwards' 2008 presidential campaign.