Social media networks are online platforms that allow users to create, share, and interact with content. These networks enable people to connect with friends, family, and others who share similar interests. Popular examples include Facebook, Twitter, and Instagram, where users can post updates, photos, and videos. These platforms often feature tools for communication, such as messaging and commenting, fostering community engagement. Users can follow others, join groups, and participate in discussions. Social media networks also serve as a space for businesses to promote their products and services, reaching a wider audience through targeted advertising.