The document summarizes the ContactOffice company's decision to reengineer its web interface using the Google Web Toolkit (GWT) framework. It discusses why GWT was chosen, the development process, and some of the key enhancements developed for ContactOffice using GWT, such as drag and drop, property pages for dialog boxes, and integration of legacy pages. It also provides an overview of the ContactOffice application and some before and after examples of the new GWT-based interface.