一个真实的网络问答社区，帮助你寻找答案，分享知识。

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。

Good old Wikipedia, great new look

Twitter is without a doubt the best way to share and discover what is happening right now.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

YellowBridge is a cultural bridge to Chinese culture, with an emphasis on Chinese language tools.

Imgur is used to share photos with social networks and online communities. You can also view the funniest pictures from all over the Internet. There

IATH is a research unit of the University of Virginia. Our goal is to explore and develop information technology as a tool for scholarly humanities re...

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections t...