Facebook的政策需要改善。關於言論自由的判斷必須precise, accessible, clearly defined.     路特社原文: “We can see that there are some policy problems at Facebook,” said board member Katherine Chen in an interview with Reuters. “We want their policy to be clear - especially those policies involved in human rights and freedom of speech. They have to be precise, accessible, clearly defined,” she added. <ref>[https://www.reuters.com/business/facebook-oversight-board-overrules-company-most-cases-first-test-2021-01-28/ Facebook oversight board overrules company on most cases in first test]</ref>