Disciples of Learning : A hand in need

So we read about Artificial Intelligence as a whole. We came across the much hyped and even more researched field of Natural Language Processing (referred as NLP from hereon) and the importance it plays in this digital era's ultimate dream of automation. But what are the possible ways in which this working of NLP can be actually put to use? A question we are sure a lot of you must have across with. 'How does it help any of us'?