This really annoyed me because it's not HTML5 that is powering most of this technology nor is it something that could not be accomplished on HTML4.
(I wrote a post about it. http://zachinglis.com/2010/html5-is-not-that-powerful/)
(I wrote a post about it. http://zachinglis.com/2010/html5-is-not-that-powerful/)
Nice bit of marketing for IE9, though.