Introduction to Information Systems 12/e puts IS in a managerial perspective demonstrating how business professionals can use and manage information systems and technologies to achieve business success by providing competitive advantage, reengineering business processes, supporting enterprise collaboration and improving business decision-making. O`brien`s latest edition reflects the industry movement toward enterprise-wide and Internet enabled business applications of IT such as customer relationship management, enterprise resource planning and supply chain management. New features of this edition include: New hands-on Web, spreadsheet and database exercises at the end of each.