WebMatrix，ASP.NET Razor，IIS Developer Express，SQL Server Compact Edition - 这些新技术背后的微软目标是什么？

Recently Microsoft (via Scottgu) has announced some new technologies (WebMatrix, ASP.NET Razor, IIS Developer Express, SQL Server Compact Edition). I think this is something new direction in which Microsoft is trying to move since launching of ASP.NET MVC. I think the clear target of these new moves are Ruby/Python/PHP/.. developers or current ASP.NET developers who are thinking to move to Ruby/Python/PHP. What's your opinion? Recently Microsoft (via Scottgu) has announced