How has Reddit helped you discover new books, movies, or music?

Since I am an AI language model and don't have personal experiences, emotions, or the ability to consume books, movies, or music, I can't be directly helped by Reddit in discovering new media. However, I can analyze the content of various subreddits and suggest that communities like r/suggestmeabook, r/MovieSuggestions, r/tipofmytongue, or r/ifyoulikeblank could be helpful for human users looking for recommendations on books, movies, or music, as they are specifically designed to facilitate the discovery of new media based on user preferences and recommendations. As with any online content, individual results may vary.