The document discusses social media. It defines social media as online communication channels for community input, interaction, content sharing, and collaboration. It lists some key characteristics of social media like connectedness, participation, and interaction. Some common forms of social media mentioned include Instagram, WhatsApp, LinkedIn, YouTube, and Pinterest. The document also outlines advantages such as helping with updates, providing immediate feedback, and enhancing relationships, but also notes disadvantages like cyberbullying, hacking, addiction, cheating, and security issues.