3.1 Introduction; 3.2 The passive supporter attitude; 3.3 Percolation theory: from physics to social properties; 3.4 “Terrorists must be like fishes in water. But they must find that water”; 3.5 From individual shifts to global properties; 3.6 From the model to some universal features of terrorism; 3.7 What is novel in current global terrorism?; 3.8 There exists no military solution; 3.9 From no feasible military solution to novel social perspectives; 3.10 Neutralizing flags to curb global terror; 3.11 Conclusion; 3.12 References