The document discusses how to enhance applications for the Windows 7 desktop experience. It covers new Windows 7 features like taskbar buttons, jump lists, thumbnail toolbars, taskbar overlays, and libraries. Developers can make their applications more discoverable and interactive by utilizing these features, such as surfacing documents and common tasks through jump lists and providing status information via taskbar overlays. The document provides an overview of each feature and recommends developers learn about and practice implementing them to prepare their applications for Windows 7.