HTML5 introduces markup-level functionality for rich graphics, animation and web multimedia. It also supports a richer web application functionality and extends the client capabilities with local storage. Many pundits see it as the next generation web - web 3.0 if you like - and an open standard replacement for propriety plug-ins, Microsoft Silverlight and Adobe Flash. But, for all its new features, HTML5 is still only the end product. This article looks at HTML5 from the web programmer's point of view, and introduces the only way currently available of developing simple .NET to HTML5 applications.