This document discusses social media and its role in communication. It defines social media as tools that allow people to exchange information, ideas, photos and videos virtually. The document expresses that social media makes it easy to contact and chat with people worldwide through apps like Whatsapp. Additionally, it introduces Social Cognitive Theory and Media Literacy, noting that Social Cognitive Theory helps understand social interactions and media influences, while Media Literacy refers to accessing, analyzing, evaluating and creating media.