The document discusses how information systems can create business value when supported by complementary assets. It describes the business information value chain where raw data is transformed through various stages to add value and help with decision making, efficiency, and profits. While information technology investments do not guarantee returns, firms that also invest in complementary organizational, managerial, and social assets are more likely to see superior returns from their technology investments. These complementary assets include appropriate business processes, management innovation, teamwork environments, infrastructure, and technology standards.