An embed code provides HTML markup that makes it possible to stream a YouTube video on an external Web page. However, although individual YouTube videos can be embedded on other Web pages, so can ...

So it should use the HTML5 video if you have opted into YouTube's HTML5 trial. This will only be used for new articles, but I went ahead and re-published the article you linked.

With HTML tags that allow you to embed audio, video, animation, drawings and unique textual effects, you can create a sharp and unique Web experience for your clients and customers.

Google, Microsoft, and Netflix have teamed up to propose a copy protection protocol-- AKA DRM -- for HTML5 video. It's just a draft right now, but already the response from other W3C members has ...