Sharing is basic human instinct. Whether you are in happiness or in sorrow, you want to share your feelings with your peers, loved ones or more appropriately with like-minded people. Those genuine emotions should come succinctly through the medium you want to go the message straight into their minds.
In every discussion, we see people debating the causes of radicalism, but never have we seen people analysing the causes of road accidents, which kill people twenty times more than the extremist violence in India.
Man is supreme in the evolution process. The ability to think put us on higher pedestal amongst animal kingdom. In the process of educating ourselves, we evolved a system with institutional mechanism to tap the mental potential and update information on nature's basket. We formally call it as education.