Baidu Knows (Chinese: 百度知道; pinyin: Bǎidù zhidao; translation: Baidu Knows) is a Chinese language collaborative Web-based collective intelligence by question and answer provided by the Chinese search engine Baidu. Like Baidu itself, the knows is heavily self-censored in line with government regulations. The test version was launched on June 21, 2005, and turned into release version on November 8, 2005.