Zhihu is an online Q&A community, connecting users from all walks of life. Users share each other's knowledge, experience and opinions, and provide various information for the Chinese Internet.
Accurately speaking, Zhihu is more like a forum: users can discuss a topic of interest and pay attention to people with the same interests. For the conceptual explanation, the online encyclopedia covers almost all your questions; But the integration of divergent thinking is a major feature of Zhihu.