This document provides an overview and summary of a lecture on IT strategy. It discusses identifying strategies and the role of IT in business strategy. Some key points covered include: - Porter's competitive model and how it can be applied to analyze an industry and a company's strategic position - The different types of competitive strategies such as cost leadership, differentiation, and innovation strategies - How technology can potentially change the basis of competition, balance of power, and barriers to entry in an industry - The importance of understanding customers, competitors, markets, and partnerships for strategic analysis - Potential opportunities and risks of emerging technologies for business strategies and models