Add Free "software, free society" a TED talk by Richard Stallman

README.md

@@ -118,6 +118,7 @@ But knowing the stuff will help you become better! :muscle:*
 - :page_facing_up: [The Debugging Mindset](https://queue.acm.org/detail.cfm?id=3068754)
 - :movie_camera: [The Future of Programming](http://worrydream.com/dbx/)
 - :page_facing_up: [The Good Software Development Manifesto](https://www.infoworld.com/article/3214481/application-development/the-good-software-development-manifesto.html)
+- :movie_camera: [Free software, free society](https://www.youtube.com/watch?v=Ag1AKIl_2GM&t=640s)
 
 
 ### Practices