1. The document discusses Web 2.0 and how developing applications for it can be challenging due to the many technologies involved. 2. It introduces EGL Rich UI, which aims to simplify Web 2.0 development by providing a single programming language and model that supports rich user interfaces, web services, and extensibility. 3. EGL Rich UI allows for simple data access, service declaration and use, and user interface definition to help modernize applications without needing in-depth knowledge of various Web 2.0 technologies.