1. A method of providing content, the method comprising: receiving emotional information in relation to the content from a client that is generated by: providing the content to a user; acquiring multiple images of the user; extracting facial information from the user images; and generating the emotional information corresponding to the facial information; generating information about a representative type of emotion associated with the emotional information received from the client; updating an Electronic Program Guide associated with the content or a header of the content using the information about the representative type of emotion; and providing the content with the updated Electronic Program Guide or the updated header to the user so that the user can reproduce portions of the content based on the emotion.