Here’s a little summary of html5:
Imagination, meet implementation. HTML5 is the cornerstone of the W3C’s open web platform; a framework designed to support innovation and foster the full potential the web has to offer. Heralding this revolutionary collection of tools and standards, the HTML5 identity system provides the visual vocabulary to clearly classify and communicate our collective efforts.
We have talked about what html5 is and isn’t before, but now you can show your html5 pride with the new logo. The site includes a badge creator, downloadable versions and html5 gear.