Windows Azure is Microsofts Operating System, in the cloud. Thats a mouthfull, isnt it? Basically, Windows Azure is a Microsoft DataCenter somewhere in the US (for now), where you can host applications you build. You have API (HTTP && REST) access to databases, queues, blob stores that you can use to put your application together. And if you a .NET developer, you can leverage your current skills to build applications in the cloud. The best anology I have seen for cloud computing and the 'traditional'...