Social media refers to online platforms and websites that enable users to create, share, and interact with content. It has transformed communication, allowing individuals, businesses, and organizations to connect globally. Users can post text, images, videos, and links, engaging with others through likes, comments, and shares. Social media serves various purposes, from personal connection and self-expression to brand promotion and customer engagement. Popular platforms like Facebook, Twitter, Instagram, and LinkedIn offer diverse features and audiences, making them powerful tools for communication, marketing, and networking.