This document discusses using social media platforms like Twitter, Facebook, Pinterest, YouTube, and more in the classroom. It provides examples of how teachers have used these platforms to increase student engagement, prepare students for the 21st century, and make content more relevant. Suggested uses for social media include giving notes, linking to articles and videos, facilitating creative writing exercises and classroom discussions. The document encourages teachers to create their own social media accounts and engage students through activities like polls, scavenger hunts, and student projects.