1. Office
   1. Web Storage
      1. Local
      2. session
   2. Web Database
   3. App Cache
2. Media
   1. Video
   2. Audo
   3. Canvas
3. insert
   1. Advanced Forms
4. location
   1. GeoLocation
5. WebSocket
6. FileReader
7. IndexedDB
8. Web Workers
9. Application
   1. Application Cache