3. Social Network A social network is a social structure made up of individuals (or organizations) called "nodes", which are tied (connected) by one or more specific types of interdependency, such as friendship, kinship, common interest, financial exchange, dislike, sexual relationships, or relationships of beliefs, knowledge.
4. Facebook Users can create profiles with photos, lists of personal interests, contact information, and other personal information. Users can communicate with friends and other users through private or public messages and a chat feature.
5. Twitter is an online social networking and microblogging service that enables its users to send and read text-based posts of up to 140 characters, informally known as "tweets", and images.
6. A blog is a type of website or part of a website. Blogs are usually maintained by an individual with regular entries of commentary, descriptions of events, or other material such as graphics or video. Entries are commonly displayed in reverse-chronological order.
7. Heello is an online social networking and microblogging service that enables its users to send and read text-based posts and to share pictures and videos.
8. Conclusion so, with social networking knowledge we have can be expanded because it is useful for everyday life and easily accessible. until recently the development of social networking is very rapid.