Social Networking Service A social networking service is an online service that focuses on building and reflecting social ne

Social Networking Service
    A social networking service is an online service that focuses on building and reflecting social networks or social relations among people. Most social networking services are Web-based. / They provide means for users to interact over the Internet, / such as email and instant messaging. / Online community services are sometimes considered as a social networking service in a broader sense. / However, social networking service usually means an individual-centered service / whereas online community services are group-centered.