In a networked client/server system, media content as well as annotations corresponding to the media content can be transmitted from a server(s) to a client. A user interface is presented to the user to facilitate creating new annotations and viewing annotations. According to one embodiment, the client...http://www.google.com.hk/patents/US6956593?utm_source=gb-gplus-share專利 US6956593 - User interface for creating, viewing and temporally positioning annotations for media content
