1) Information systems are essential for businesses today and have transformed operations through increased wireless technology, web technologies, and cloud computing. They provide opportunities for globalization and new products/services.
2) An information system collects, processes, stores, and distributes information to support decision making, coordination, and control. It has organizational, management, and technology dimensions.
3) Investing in information technology alone does not guarantee returns; firms must also invest in complementary assets like efficient processes and incentives to derive full value from new technologies.