Soul-searching: music industry under pressure to reignite growth

Is there such a thing as a low-cost war, in terms of manpower as well as money? We look at the changing face of armed conflicts. Countries are going to great lengths to avoid putting their soldiers in harm's way. Instead of boots on the ground, the focus is shifting to high-tech warfare from afar. The United States is a case in point - after painful and expensive campaigns in Iraq and Afghanistan, its strategy is changing. But this is not an isolated example.