I need help answering this question

Read the article: http://www.nbcnews.com/tech/social-media/cleveland-shooting-highlights-facebook-s-responsibility-policing-depraved-videos-n747306

1. Discuss whether you believe that Facebook has a legal or ethical duty as to what gets posted on its platform. If someone is recorded and viewed getting hurt, is Facebook legally liable to the victim? Why or why not?
2. Research and suggest three ways that social media platforms such as Facebook can be more proactive and thorough in reviewing the conduct and content of what appears on their sites, and in preventing acts of violence. Support your answer.
3. Determine whether Facebook can be sued for invasion of privacy if one's personal information, likes, dislikes, and photos are shared with product and advertising agencies.
4. Propose two changes Facebook should adopt to encourage the ethical use of its platform

Please note must 2-3 pages. APA sources a must.