For many years, Martin Gurri worked as an analyst and manager at the DNI Open Source Center, where he earned many splendid bureaucratic titles but somehow learned a couple of things along the way. He is currently president and chief analyst at Fifth Wave Analytics. Mr. Gurri led a team that designed a methodology for the analysis of visual persuasion in global politics, and is the co-author of “Our Visual Persuasion Gap.” Mr. Gurri’s bestselling book, analyzing the impact of the digital revolution on political authority, is The Revolt of the Public and the Crisis of Authority in the New Millennium. His blog, Fifth Wave, is here.