For all of you Silverlight developers there are some good news: now you can actually build your Silverlight application for MySpace Developer Platform. MySpace’s public announcement is available here, and more details about their support of Microsoft platform is available on this site.
Soon (today!) a new CodePlex project will be revealed that will enable you to download kits for Visual Studio and Expression Tools making your development for MySpace really easy. If you want to be up-to-date on this topic, I would suggest you check out this blog.