Technology is a pervasive and deceptive subject. It obviously has been a major factor in the transformation of society, and continues to be so. Yet, notwithstanding its apparent hard, factual character, rigorous analysis of its role in domestic or international affairs has not been easy. Anticipating the societal effects of future technological developments is even more difficult, though clearly of great importance. The difficulty stems in part from the unavoidable uncertainties of future technological change. But it also, even primarily, stems from the ubiquity of technology in the society, and the resulting challenge of separating technology from the multitude of other variables with which it interacts.