Social networking is a term given to sites and applications that facilitate online social interactions that typically focus on sharing information with other users referred to as friends. The most famous of these sites today is Facebook. There are a number of moral values that these sites call into question. There are, of course, privacy issues that abound in the use of social media. James Parish, recommends four policies that a user of social media should follow to ensure proper ethical concern for others privacy. Discuss the four policies being referred to.