This document summarizes a social media masterclass for arts administrators held on February 28th, 2017 in London. The masterclass covered practical skills for using social media platforms like Facebook, Twitter, Instagram, YouTube, LinkedIn and Snapchat to understand audiences, create engaging content, and manage online campaigns. Tips included using tools like Followerwonk to analyze followers, focusing on visual content for Instagram, and amplifying organically popular posts through paid promotions. The document stresses creating a consistent online presence and narrative through curating content like a festival across different social networks.