Microsoft has started offering upto 4Gb of online storage space for
hosting and streaming Silverlight videos (alternative for Adobe’s Flash) through
Windows Live. The service offers web designers and developers a free and
convenient solution for hosting and streaming cross-platform, cross-browser
media experiences and rich interactive applications that run on Windows™ and
Mac. You can access Microsoft Silverlight Streaming by Windows Live at
silverlight.live.com.
Najeeb Jarrar
http://jordev.net/blogs/technews/default.aspx