I one more idea that it is pushing live/recorded/library items to a dlna capable media renderer (TV / other compute /r etc)
Example:
http://blogs.windows.com/windows/b/extremewindows/archive/2011/03/28/using-play-to-with-a-dlna-certified-tv.aspx
Idea inspired by coffee and yes it's complicated to implement but it's being used by android phones/$windows/some other funny gadgets
Why no black mug on fan shop?