Pablo Castro annonced there is CTP Refresh of Astoria bits. Astoria is very cool project based on .NET 3.0 (WFC), Entity Framework to provide pure HTTP access to SQL Server data. This means that we will be able to pull data using... Javascript
In order to use you need:
I am preparing a (short) article that shows how to leverage data from Javascript and ASP.NET AJAX... Stay tuned and I will annonce it here