ASP.NET AJAX lets you create more efficient, more interactive, and highly-personalized Web experiences that work across all the most popular browsers. This includes popular support for the AJAX Toolkit available from Microsoft.
Live search API is fully supported providing an easy way to integrated search, mapping, and other feature-filled tools from Microsoft.
Microsoft® Silverlight? 2.0 is a cross-browser, cross-platform plug-in for delivering the next generation of .NET based media experiences and rich interactive Web applications. Silverlight offers a flexible programming that supports AJAX, VB, and C#, and integrates with existing Web applications. All hosting plans fully support silverlight hosting.