The document discusses key topics relating to information technology and e-commerce, including distinguishing between data, information, and knowledge; explaining how IT builds competitive advantage; and identifying five major IT applications used by companies. It also differentiates between B2B and B2C commerce, describes major IT hardware/software components and their evolution, and discusses managing information through networks and information security.

3. Information Technology and E-Commerce: Managing Information, Knowledge, and Business Relationships Chapter Nine © 2007 The McGraw-Hill Companies, Inc., All Rights Reserved. McGraw-Hill/Irwin Introduction to Business