Information has always been at the core of conflicts. When Napoleon planned to invade Italy, he duly upgraded the first telegraph network in the world, the French “semaphore”. He famously remarked that “an army marches on its stomach,” but he also knew that the same army acted on information. As Von Clausewitz once stated “by the word ‘information’ we denote all the knowledge which we have of the enemy and his country; therefore, in fact, the foundation of all our ideas of actions [in war].”I am very grateful to Mariarosaria Taddeo for this citation and for our fruitful collaboration on a 2-year project about the ethics of information warfare, Marie Curie Fellowship Grant, FP7-PEOPLE-2009-IEF see now . This is why the radar, the computer, the satellite, the GPS system, and the Internet were initially developed as military technologies, while unmanned vehicles are becoming a reality thanks to DARPA. The difference between then and now is that information warfare ..