Edmodo is a free, online learning platform that allows teachers and students to communicate securely. It functions like Facebook for the classroom, allowing teachers to post class materials, assignments, notices, and activities. Students can comment and collaborate on resources. Edmodo facilitates resource sharing, encourages communication and collaboration, and gives students a voice to ask questions and share ideas. Teachers can use Edmodo to share resources, create virtual study groups, and post materials and assignments for students.