WPF/E ovvero... Microsoft Silverlight!!!
Eccolo qui:
Per maggiori info: http://blogs.msdn.com/somasegar/archive/2007/04/15/silverlight-the-next-generation-web-media-experiences.aspx, oppure http://blogs.msdn.com/tims/archive/2007/04/15/introducing-microsoft-silverlight.aspx, o anche http://blogs.msdn.com/msmossyblog/archive/2007/04/16/microsoft-debuts-its-flash-killer-silverlight.aspx