New York Public Library has a very popular instagram feed with over 80,000 followers. Techrepublic has a recent article about Taking a page from the New York Public Library's approach to Instagram which highlights some of the regular posts and hashtags used by the New York Public Library on Instagram.
A popular hashtag has been #ireadeverywhere which has been picked up by readers in many locations.
At the Museum, #ireadeverywhere extends around the globe! Mary Blair, assistant director for research and strategic planning at the Museum’s Center for Biodiversity and Conservation, is studying lorises in the field in Vietnam. Here, she takes a break in the Son Tra Nature Reserve in Central Vietnam, her current field site. “Right now I’m reading “Outlander” by Diana Gabaldon,” Blair wrote. “Even scientists need to read historical romance sometimes!” Check out the @nypl for more #ireadeverywhere!