Extension methods in Visual Basic 9
If you are interested in the future of VB, or .NET in general because this is equally true for C#, you might want to read the blog post by Scott Wisniewski. In this blog post he describes how extension methods will work in VB 9 and what the benefit for the average developer will be. Of course extension methods are also a big part of LINQ so if you want to understand how LINQ works you need to understand extension methods too.
Its and interesting blog post you can find here