In Terms of Performance Measures,fans Are

In terms of performance measures,fans are

A) the total number of unique visitors to a Facebook Page in a given time period.
B) the number of people who have opted in to a brand's messages through a social media platform at a given time.
C) the percentage of people who have clicked on a link on the Page to visit a specific site.
D) the number of people who interact with a Post ("Like," make a comment,and so on) divided by the total number of people seeing the Post.
E) the brand's share or percentage of all the online social media chatter related to its product category or a topic.