In this post David Kelley talks about MEF, how to get started with it and what can MEF really do.
Microsoft Extensibility Framework or MEF is one of the great features in
Silverlight, designed around making Silverlight applications more extensible
generally and provides a much more complete story for the separation of
concerns. MEF then begs the question 'Why we care?' and 'What can MEF really
do?' and we will address that here.