Summary of recommendations in "The Good Censor" by Google (paraphrased):
1) Explain your position on censorship in global markets
2) No black boxes - enforce standards and policies clearly
3) Explain the algorithms
4) Give better customer service for censorship complaints and appeals
5) Take responsibility for your failures
6) Give positive guidelines (not just "don't do this and don't do that")
7) Don't control conversations
https://quitter.im/attachment/1480299