Users or Members to Social Networking Websites Are

Users or members to social networking websites are

A) where a social network following comes from-with fans coming from a friend being more valuable than those coming from an ad.
B) the total number of unique individuals to a web page in a given time period-counted each time they logon to the site during that period of time.
C) the total number of unique individuals to a web page in a given time period-counted only once period (such as a day) -regardless of how many times they logon to the site during that period of time.
D) individuals who have registered on a social networking site by completing the process involved,such as providing their name,an ID,and a password.
E) the number of people who have "opted in" to a brand's messages through a social media platform at a given time.