This training service aims to teach and develop librarians’ competences and skills to advertise newly acquired books and other documents on social media. Target groups are librarians (from from school and public libraries) and teachers from secondary schools. The training encourages librarians to use social media for presenting information about new acqusitons. The trainers teach how to use new approaches and techniques on social media which are more effective and convenient to receive new information. Librarians learn how to use social media tools such as Facebook, Pinterest, Flickr for this service. The trainers from Radviliškis Educational and Sport Service Centre provided individual consultations, visited school libraries and helped librarians to organize these activities from December 2015 to May 2016.