.NET Application Extensibility-article about the upcoming System.Addin

An msdn article about the upcoming System.Adding namespace in the Base Class Library (BCL), available in the next release of Visual Studio® (code-named "Orcas"). This is the first one. Check the second one too: http://msdn.microsoft.com/msdnmag/issues/07/03/CLRInsideOut/default.aspx