While HTML5 has a [video] tag, the content within it isn't a guaranteed type.. at least not yet.
http://www.engadget.com/2011/01/11/google-will-drop-h-264-support-from-chrome-herd-the-masses-towa/
Now it gets interesting.. Google drops H264, which isn't open source per se, and still has a licensing agreement, in favor of WebM. Combined with their move to integrate Flash into their browser, this is a clear end-around to put pressure out to adopt WebM, which it will now support for YouTube over H264, and also Flash.. but H264, Apple & Microsoft's choice.. crickets.
http://www.engadget.com/2011/01/11/google-will-drop-h-264-support-from-chrome-herd-the-masses-towa/
Now it gets interesting.. Google drops H264, which isn't open source per se, and still has a licensing agreement, in favor of WebM. Combined with their move to integrate Flash into their browser, this is a clear end-around to put pressure out to adopt WebM, which it will now support for YouTube over H264, and also Flash.. but H264, Apple & Microsoft's choice.. crickets.