This document discusses 18 different social media platforms that can be used as educational tools: Edmodo, TedEd, Google+, Facebook, Twitter, Instagram, Vimeo, WordPress, Blogger, Skype, Pinterest, YouTube, TeacherTube, Academia.edu, LinkedIn, LabRoots, and ResearchGate. For each platform, 1-3 sentences describe how teachers can use the platform to connect with students, share educational resources and lessons, or facilitate collaboration. The document provides examples of assignments and activities that integrate various social media into classroom instruction.