* XML is now everywhere, not just in Web development, but as a foundation for interactive Web services: applications that actually run on any platform * Includes 24 lessons of one hour to create a typical week-long introductory seminar * Provides the reader with a sound, basic understanding of XML and how it changes application development * Explains how to use XML when dealing with change, schemes, and Web services requirements * The authors teach courses for IBM Canada * Companion Web site features an online presentation by the author that follows along with each chapter and includes an audio-only option for readers with dial-up internet connection