SNS is always mentioned in Korea. So I want to ask, is SNS Weibo?

SNS, the full name of Social Networking Services, namely social networking services, refers to the internet application services aimed at helping people build social networking sites. It also refers to the existing mature and popular information carriers in society, such as short message service. Another common explanation of SNS: the full name of social networking site, namely "social networking site" or "social network". Social networking site refers to the relationship network between individuals, and this kind of website based on the idea of social networking relationship system is social networking site (SNS website). SNS also refers to social network software, which is the next generation of personal-based network basic software built by using distributed technology, which is popularly called P2P technology.