MBTI is a tool used to assess the psychological types and how they prefer to interact with the external world.
Introverts prefer to get their energies through inner strengths where as extroverts through external world. Those who take structured steps towards presenting information are sensing types where as those who take information from the big picture are called the intuitive type.
Similarly, thinking and feeling people; judging and perceiving people. Accordingly, it was found that more extroverts preferred using Facebook. The thinking and sensing people were less inclined to using FB.
Extroverts, intuitive and thinking people used more of LinkedIn. The intuitive kind were also more active on Twitter.