Explore the state of HTML5 in this 30-minute conference talk from JSConfEU 2010. Dive into a comprehensive overview of HTML5 and CSS3 features, including content editable, video, canvas, SVG, new form input types, and more. Learn about reliable features, database capabilities, WebGL, File API, and network demos. Discover progressive enhancement techniques, polyfills for older browsers, and the Chrome Web Store. Gain insights into upcoming features, rendering modes, and next steps in web development. This inaugural address provides a valuable snapshot of HTML5's capabilities and potential at a pivotal moment in web technology history.