Taylor Hartz writes: “Ring lights, check. Tripod, check. Phone camera, check. Ideas for what trend to hop on, check. Librarians are making the most of the video-sharing social media app TikTok, recording and uploading 60-second clips (sometimes longer) of themselves and others talking about programs, cool things at their library, book reviews, and more. Many of these librarians help make up BookTok, a subcommunity of users on the app who upload and share content based on their favorite books, using hashtags such as #librariansoftiktok and #librarytiktok.”