Microsoft ASP.NET is a free technology that allows programmers to create dynamic web applications. ASP.NET can be used to create anything from small, personal websites through to large, enterprise-class web applications. All you need to get started with ASP.NET is the free .NET Framework and the free Visual Web Developer. Using Visual Studio 2008's improved Designer, this video will demonstrate how to create a Nested Master Page. Nested Master Pages are useful when you build a hierarchy of templates for your web site.