百度知道是由全球最大的中文搜索引擎百度自主研发、基于搜索的互动式知识问答分享平台。用户可以根据自身的需求，有针对性地提出问题；同时，这些答案又将作为搜索结果，满足有相同或类似问题的用户需求。

百度百科是一部内容开放、自由的网络百科全书，旨在创造一个涵盖所有领域知识、服务所有互联网用户的中文知识性百科全书。 在这里你可以参与词条编辑，分享贡献你的知识。

Good old Wikipedia, great new look

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