A content-generation guidance system for assisting a user in generating digital content, the system comprising a content analysis unit operable to analyse a first set of pre-existing user-generated content to identify one or more aspects of the content, a correlation identification unit operable to identify a correlation between the one or more identified aspects of the first set of content and user ratings of that content, and a content modification unit operable, when a user is generating new digital content, to identify one or more aspects of the new digital content for modification in dependence upon the identified correlation or correlations.