Andrew Rasiej: Why Has Obama Stopped Using the Internet?br The Economist Marketing Forum - The Economistbr A panel of executives discuss building and selling the Barack Obama brand at the Seventh Annual Marketing Forum hosted by The Economist in San Francisco.Speakers include: Jim Margolis, Senior Partner, GMMB; H. Buford Barr, Lecturer in Marketing, Leavey School of Business, Santa Clara University; and Andrew Rasiej, Founder, TechPresident.com.Moderated by Martin Giles, Senior Business Correspondent, The Economist.