Do you know someone of any age interested in writing code? Or maybe you are the parent of someone interested in learning more about what you do. Check out the Kid's Corner on MSDN for lots of fun, easy to understand lessons on programming.
There's eBooks on C# and VB for kids, Some of the guides include teacher materials. There's a presentation on learning how to build your first web site from the Microsoft DigiGirlz Tech Camp and an into to web design. And much more.
If you are a mentor, you can start out the person you're mentoring at Kid's Corner.