Windows Internet Explorer 9 Test Drive page intended to give Web developers an early look at the Web platform technology coming in the next release of Internet Explorer. The page shows developers the progress in IE and give ideas to start planning if and how they want to support new HTML5 capabilities in the future. The Test Drive site demonstrates the use of new Web technologies like HTML5 and SVG. Those web technologies are brand new on IE platform, but has been supported for some time on the other major web browsers. With IE9 Microsoft tries to catch up with the other competing browsers.
It seems that Microsoft is finally following the official web standards more closely, because all the demos I have tested worked also well with Firefox web browser. And I also tested some of them with Google Chrome and they worked well on that as well. It seem that HTML5 features are coming to all major web browsers and they are implemented in standard way even by Microsoft. Now it is time to start learning HTML5.