What is Social Networking Service?
A social networking service (also social networking site or SNS) is a platform to
build social networks or social relations among people who share similar interests,
activities, backgrounds or real-life connections. A social network service consists of a
representation of each user, his or her social links, and a variety of additional services.
Social network sites are web-based services that allow individuals to create a public
profile, create a list of users with whom to share connections, and view and cross the
connections within the system. Most social network services are web-based and
provide means for users to interact over the Internet, such as e-mail and instant
messaging. Social network sites are varied and they incorporate new information and
communication tools such as mobile connectivity, photo/video/sharing and blogging.
Online community services are sometimes considered a social network service, though
in a broader sense, social network service usually means an individual-centered
service whereas online community services are group-centered. Social networking
sites allow users to share ideas, pictures, posts, activities, events, and interests with
people in their network.
How can the SNS companies such as Facebook and Twitter earn money?
As I mentioned above, social network service is used by individuals, but the
individuals are not willing to pay to use the network service such as Facebook and
Twitter. Then how they operate the company and how can earn money? Few social
networks charge money for membership. In part, this may be because social
networking is a relatively new service, and the value of using them has not been
firmly established in customers’ minds. Companies such as Myspace and Facebook
sell online advertising on their site. Their business model is based upon large
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