<http://schema.org/thumbnailUrl>
<https://sec.ch9.ms/ch9/757a/2b363c5b-e217-4e16-b826-2dcef5e4757a/LookingAheadCSharp7MadsTorgersen_960.jpg>
<https://channel9.msdn.com/Blogs/Seth-Juarez/Looking-Ahead-to-C-7-with-Mads-Torgersen>