Medium.com May 7, 2015

http://boingboing.net/2015/05/06/mediums-new-creative-commons.html

https://medium.com/@lessig/why-i-m-excited-for-medium-s-partnership-with-creative-commons-127b0ef02b03

https://medium.com/the-story/explicit-post-licensing-3aa1df783f8d

http://www.theverge.com/culture/2015/5/6/8555921/medium-creative-commons-copyright-licensing