Buzzle is an Internet information publishing and inquiry platform in the United States. It mainly provides information in various categories, including animals and pets, art and literature, business and finance, children and family, computers and the Internet, e-commerce and shopping, education, entertainment, and health. Encyclopedia information on food, history, hobbies and interests, home and life, philosophy and religion, science and technology, sports and leisure, travel and sightseeing, etc. All in all, no matter what you need to be interested in, Buzzle has you covered.

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.

Wikipedia, also known as "the people's encyclopedia", is an encyclopedia created by people from all over the world in different languages. It is based on wiki technology, emphasizing freedom, freeness, and open content. Anyone can edit any entry in the encyclopedia. Its purpose is to provide a dynamic, freely accessible and editable global body of knowledge for all mankind.