The document discusses the evolution of information systems/technology in organizations and its impact on performance over time. It began in the 1970s by automating back-office processes, then individual tasks in the 1980s. In the 1990s, it was used to enhance key business functions. Since 2000, the focus has been on using information systems/technology to develop a competitive advantage. The document also defines intranets, extranets, and Web 2.0 technologies and how they can be used to connect with customers, suppliers, and employees. Finally, it provides a definition of supply chain management.