Online social networks are digital platforms that allow users to create profiles, share content, and connect with others. These networks facilitate communication and interaction among individuals, groups, and communities, enabling users to share updates, photos, and videos. Popular examples include Facebook, Twitter, and Instagram. Users can join various groups or follow pages that align with their interests, making it easier to find like-minded individuals. Online social networks also serve as tools for businesses and organizations to engage with their audience, promote products, and gather feedback, enhancing their online presence and reach.