One of the questions we get quite often is “Why should I use MEF?” and “How can i use MEF?”. Fortunately one of our awesome field guys Mike Taulty has been rising to the occasion. He’s put together a great set of web casts on everything you wanted to know about using MEF in Silverlight 4.
As you start to work with MEF one of the fundamental decisions you have to make is how MEF will be hosted. There are several factors which will impact your decision including whether you are building on Silverlight or the Desktop and whether you are building an application or a library.