A tool that allows annotation and dialog based on video content.

Vialogues Knowledge Base

“Vialogues provides a space for people to hold meaningful and dynamic time-stamped discussions about videos. It proves videos are not only powerful educational resources but also the ultimate conversation starters.

Vialogues is completely free to use. It was created and developed by a dedicated team of educators, researchers, and engineers from EdLab at Teachers College Columbia University.

https://vialogues.com/vialogues/play/50046/