Could your beeper, PDA, or cell phone go to work to fight terrorism? Could Smart Mobs be a viable homeland defense strategy? Setting self-organized homeland security networks against self-organized terrorist networks seems like a good idea along the “fighting fire with fire” lines. But how reliable and vulerable to mob-mentality would that strategy be? What implications would an amorphous army of self-motivated civilian watchdogs have for the privacy and anonymity of minority citizens?