I found this great video explaining Azure.

What is Windows Azure?

http://blog.smarx.com/posts/what-is-windows-azure-a-hand-drawn-video

I love the hand drawn approach to teaching. Just goes to show that the simplest teaching techniques are sometimes the most powerful. The key to his success IMO is the 5 hours he spent up front. Clear, concise and clever. Very memorable. Enjoy!