Benjamin H Bratton is a theorist whose work spans philosophy, art and design. He is associate professor of visual arts and director of the Center for Design and Geopolitics at the University of California, San Diego. Starting in summer 2014, he is also professor at the European Graduate School in Saas-Fee, Switzerland. His book The Stack: On Software and Sovereignty, is forthcoming. See www.bratton.info and, on twitter, @bratton