https://books.google.com/books?hl=en&lr=&id=AcHvP9trbkAC&oi=fnd&pg=PR5&dq=social+media+ethics&ots=Mw-tVDNJNL&sig=djB5mjc6qaUzX9iuijcVyCPvzcA#v=onepage&q=social%20media%20ethics&f=false GREAT BOOK on this topic!!
Generally speaking, ethics is an umbrella term for moral principles governing an individual's behavior who is performing a specific kind of electronic communication within social networks for the purpose of sharing information, ideas, personal thoughts, and other forms of content such as videos. For further details, I refer you to the pertinent literature provided by the links below.