The document discusses social media activism and examines case studies to evaluate its effectiveness. It defines social media activism as using social platforms to champion causes. While some critics argue offline activism is more impactful, examples like the marriage equality referendum in Ireland found social media helped engage young voters and shift perceptions to support LGBT rights. The document also explores environmental campaigns and the Arab Spring, noting social media was effective at raising awareness but usually one catalyst among others for change. Overall, the impact of social media activism depends on how effectiveness is measured.