tax policies, as well as currency fluctuations; • political and social developments, including war, civil unrest or terrorist activity; • the possibility of foreign exchange controls, expropriation, nationalization or confiscation of assets in countries in which we conduct our operations; • operational factors such as systems failure, human error, or the failure to implement procedures properly; • actions taken by regulators with respect to our business and practices and possible resulting changes to our business organization, practices and policies in countries in which we conduct our operations; • the effects of changes in laws, regulations or accounting policies or practices in countries in which we conduct our operations; • competition or changes in our competitive position in geographic and business areas in which we conduct our operations; • the ability to retain and recruit qualified personnel; • the ability to maintain our reputation and promote our brand; • the ability to increase market share and control expenses; • technological changes; • the timely development and acceptance of our new products and services and the perceived overall value of these products and services by users; • acquisitions, including the ability to integrate acquired businesses successfully, and divestitures, including the ability to sell non-core assets; • the adverse resolution of litigation, regulatory proceedings, and other contingencies; • the ability to achieve our cost efficiency goals and cost targets; and • our success at managing the risks involved in the foregoing.