The book closing sound has become a small staple of short-form video and soundboard culture because it gives editors a quick, natural way to mark an ending without dialogue or music. It is commonly used in study videos, storytime clips, book reviews, and classroom-style content, where the familiar thud instantly tells viewers a chapter, lesson, or idea is finished. Its short length makes it easy to drop into TikTok, YouTube Shorts, and reels, and its quiet, everyday quality keeps it useful across many different topics.