This document discusses using Silverlight for line of business (LOB) and business intelligence (BI) application development. It provides examples of Silverlight applications from companies like TDK and Infragistics. Key benefits highlighted include the rich user interface capabilities of Silverlight, its support for .NET development, and how it allows creating interactive and visually engaging BI and LOB applications for the web. Approaches like incrementally adding Silverlight components to existing web applications are also presented.