https://www.cnet.com/news/libraries-lean-on-twitter-facebook-and-instagram-to-reel-you-in/

The project, which included New York ad agency Mother, proved a huge success. Shortly after Insta Novels debuted, the NYPL racked up 100,000 new Instagram followers.  

Insta Novels is just one example of how libraries, which are celebrating National Library Week in the US, are leaning on social media to connect with patrons in the digital era. Public Libraries Singapore uses Instagram to promote live events. The University of Liverpool Library tweets tongue-in-cheek admonishments, including a long-running gag imploring patrons not to remove "do not remove" signs. The Düsseldorf Public Libraries use Snapchat to reach young people and runs a popular blog called buchstabensuppe, or alphabet soup.