From Steven Cheung - http://blog.sina.com.cn/s/blog_47841af70102dsq6.html http://blog.sina.com.cn/s/blog_47841af70102dsvf.html http://blog.sina.com.cn/s/blog_47841af70102dt1e.html

http://matthewkwilliams.com/index.php/2015/12/04/seven-key-ideas-about-copyright-and-open-source/