List of HTML 5 features

Learning HTML 5 is in my wishlist from last two years. Whenever I start with any tutorial or blog , I get lost into all the new features. It confuses me with how much did I learn and how many features are remaining.
So here is the latest and almost full list of all the cool HTML 5 features. It provides a holistic picture of HTML5 features. 

• Storage Features:
1. Web Storage
2. Web SQL Database
3. Indexed DB
4. Application Cache
• Real Time/Communication
1. Web-Workers
2. Web-Socket
3. Notifications
• File/Hardware Access
1. Native drag and drop
2. Desktop drag-In/Out
3. File System API
4. Geo-location API
5. Device Orientation
6. Speech Input
• Semantics & Markup
1. Better Semantics Tags
2. Markup for Applications
3. Descriptive Link Relations
4. Microdata
5. ARIA Attribute
6. New Form type
7. Mobile Form Field Types
• Graphics & Multimedia
1. Audio/Video Support
2. Canvas 2D
3. Canvas 3D
4. Inline SVG
• Improvements to the Core Platform
1. getElementByClassName() attribute
2. Finding elements by CSS synatx: document.querySelectorAll()
3. Custom data-* attributes
4. Element class list
5. History API

All these features with little description and example can be found html5rocks . I didn't include any CSS3 feature because it is a separate subject and has many new features.