<p>The four main categories of social platforms are these:</p><p><br></p><p>Social networks. People use these networks to connect with one another and share information, thoughts and ideas. The focus of these networks is usually on the user. User profiles help participants identify other users with common interests or concerns. Facebook and LinkedIn are good examples.</p><p><br></p><p>Media-sharing networks. These networks focus is on content. For example, on YouTube, interaction is around videos that users create. Other media-sharing networks are TikTok and Instagram. Streaming platforms like Twitch are considered a subset of this category.</p><p><br></p><p>Community-based networks. The focus of this type of social network is in-depth discussion, much like a blog forum. Users leave prompts for discussion that spiral into detailed comment threads. Communities often form around select topics. Reddit is an example of a community-based network.</p><p><br></p><p>Review board networks. With these networks, the focus is on a review, usually of a product or service. For example, on Yelp, users can write reviews on restaurants and endorse each other's reviews to boost visibility.</p>