What is it, and how is backchannel used? Student interaction and engagement with peers and academics are important aspects of university learning. As universities heighten the use of technology in teaching, a rethinking of opportunities for student interaction and engagement is necessary. Today's students widely communicate through social media, which has allowed them to become increasingly comfortable when discussing concepts over this space, including complex topics. This article presents a brief overview of how backchannels can be used in university classes. The authors also share the results of an investigation into the use of backchannels in their classrooms. This case study highlights some of the unique advantages and disadvantages to incorporating this channel of communication in the classroom.