Many of my classes are shifting to Piazza, a Q/A product for interacting with professors, TAs, and other students. Piazza is a good step towards using the web to improve classrooms, but the text-based format hinders discussion.
I built a basic alternative that centers on video playback to foster discussion and debate. I also tried to gamify the process by incorporating the Comarch API.
Once I work on styling and account management, I will share Viazza with my professors and try to launch it at school!