Being Authentic On Social Media

The new trend I have noticed on social media, is Authenticity. Authentic… this word has been highly overused in the social media world lately. But what does it really mean, and are we using it correctly on our platforms? au·then·tic /ôˈTHen(t)ik/ adjective 1. 
of undisputed origin; genuine.”the letter is now accepted as an authentic document”…