Post Bar, Baidu Post Bar, is an independent brand of Baidu and a leading Chinese community in the world. The idea of Post Bar comes from Baidu CEO Li Yanhong: build an online communication platform with a search engine, so that people interested in the same topic can get together and communicate and help each other conveniently. Post Bar is a topic exchange community based on keywords, which is closely combined with search, accurately grasps the needs of users and is born for interest.