information t E chnology (it) continu E s to play a key role in the creation and ex- ploitation of opportunities for innovative competitive strategy. this Special Section of Journal of Management Information Systems presents research that explores new interactions between technology and competitive strategy, offering both new strategies and new analyses of strategies that have previously been proposed. Its coverage is quite broad, including, for example, the future of advertising and innovative online business models, and investments in medical imaging technologies for health-care organizations. It also includes research on personalization strategies in e-commerce and information security for Internet users. Other research explores how firms go about making It in- vestment decisions when there is significant uncertainty regarding the business value of emerging technologies. two papers explore making outsourcing decisions. Eric K. clemons’s paper on “business Models for Monetizing Internet applications and Web Sites: Experience, theory, and Predictions” opens this Special Section. During the past several years, the author has explored the diminishing role of advertising as a revenue generator for online enterprises and the need for alternative online business