Social networking services, including social software and social networking sites. It also refers to the existing mature and popular social information carriers, such as short message service. Another common explanation of SNS: the full name of social networking site, namely "social networking site" or "social network".

SNS also refers to social network software, which is the next generation of personal-based network basic software built by using distributed technology, or P2P(Peer to Peer) technology.

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Social network service is a platform for establishing social networks or contacts between people. For example, the enjoyment of interests, activities, background or contacts in real life. A social networking service that includes social contacts representing each user and various additional services (usually personal data). Most social networking services are web-based online community services.

And provide users with interactive means on the Internet, such as e-mail and instant messaging. Sometimes it is also considered as a social network service, but in a broader sense, social network service usually refers to a service centered on individuals and online community service groups. Social networking sites allow users to enjoy their thoughts, pictures, articles, activities and events on their networks.