Progressively enable the mobile web with ASP.NET MVC 4, HTML5, and jQuery Mobile

Brilliant, clear video. This will be the feature that keeps me using C# and stops me moving to HTML5.
This presentation is missing tags. I had a hard time finding it even though I knew it's there, any anyone searching /build// by tags, cannot find it.
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A note for C++ developers. The C++ projections for async wasn't available in the Build Developer Preview. It has been since added. Here is the C++ talk if you are interested: Async made simple with C++ PPL
The video doesn't appear to work in Chrome. I've narrowed it down and it looks like the Javascript isn't inserting a <source> element as it does under Safari. Refer to http://crbug.com/130048 for discussion.