The document outlines 50 social media tactics for nonprofits. It provides descriptions of tactics across various social media platforms like Twitter, Facebook, Foursquare, YouTube and others. Some of the tactics mentioned include using Twitter widgets on websites, enhancing team collaboration on Twitter, creating Facebook events and tabs, claiming locations on Foursquare and Facebook Places, and livestreaming events. Resources and examples of nonprofits using different tactics are provided at the end.