Para.4 1.Fuel self-esteem. In a Cornell University study,students felt better about themselves after they updated their Facebook profiles;a control group of students who didn't log onto the site didn't experience such a mood lift. The very act of posting something about yourself- regardless of what you write-can boost your self- confidence because you control the image you present to your network of friends,according to researchers.Para.4 1. Fuel self-esteem. In a Cornell University study, students felt better about themselves after they updated their Facebook profiles; a control group of students who didn’t log onto the site didn’t experience such a mood lift. The very act of posting something about yourself — regardless of what you write — can boost your self￾confidence because you control the image you present to your network of friends, according to researchers