<http://schema.org/embedUrl>
<https://channel9.msdn.com/Blogs/Charles/MIX-2008-What-the-hell-is-this-MIX-thing-anyway/player>
<https://channel9.msdn.com/Blogs/Charles/MIX-2008-What-the-hell-is-this-MIX-thing-anyway?format=flash>