TED-ED
University Online Tutorial Network (TED Ed) is a new video learning organization form. It is an open classroom video website that integrates videos, subtitles, and interactive Q&A. It is also the development of TED in the field of education. TED-ED teaching videos are divided into three modules: Series, Subject and YouTube.Series, and each video will have a corresponding video playback area, video introduction, author, course title, knowledge expansion, practice questions, sharing, re-editing, etc.