How are libraries using social media?

For this blog post you need to finds examples of the following from different libraries for each example. For each you must provide a link and a brief description of the content

*    a library blog
*    a library YouTube page
*    a library Facebook page
*    a library Twitter page
*    a library Instagram page


Labels for this post: post 5 , libraries, blog, Facebook, YouTube, Twitter, Instagram, (you should include a label for each of the libraries you use in this post)