War 2.0: Irregular Warfare in the Information Age argues that two intimately connected grassroots trends—the rise of insurgencies and the rise of the web—are putting modern armies under huge pressure to adapt new forms of counterinsurgency to new forms of social war.After the U.S. military—transformed into a lean, lethal, computerized force—faltered in Iraq after 2003, a robust insurgency arose. Counterinsurgency became a social form of war—indeed, the U.S...