The document discusses the evolution of documentation practices for interactive web applications, highlighting the limitations of traditional methods in the context of agile development and higher interactivity found in Web 2.0 and rich internet applications. It emphasizes the need for updated documentation approaches, such as hybrid documentation, storyboarding, and rapid prototyping, to effectively communicate design in a dynamic and iterative environment. The importance of usability testing and user feedback is also underscored to align with modern design methodologies.