What is HTML5 all about?

HTML5 Attributes
HTML5 Events
HTML5 Web Forms 2.0
HTML5 SVG
HTML5 MathML
HTML5 Web Storage
HTML5 Web SQL
HTML5 Server-Sent Events
HTML5 WebSocket
HTML5 Canvas
HTML5 Audio & Video
HTML5 Geolocation
HTML5 Microdata
HTML5 Drag and drop
HTML5 Web Workers