This essay provides an overview of information technology's role in business, addressing the inadequacy of defining an information system solely by hardware and software. It identifies business problems, such as data breaches, and proposes computer-based solutions like the Written Information Security Program (WISP). The essay also discusses the limitations of off-the-shelf programs as strategic information systems and the short-lived advantages that strategic information systems offer. Finally, it analyzes Adobe's strategy of offering free software, explaining how this approach leads to market dominance and monetary profit through widespread adoption and associated benefits in software quality and security. Desklib offers a variety of solved assignments and past papers for students.