Network of the human relations which are made the being connected of the individual and the individual as the basis (social network) constructing on the online, service application of the online which offers the function where it visualizes, manages that being connected, it res-construct and expands.
Until recently, the communication in Internet anonymous characteristic made one feature, but this had held the problem, lack of one side and the reliability which are free. SNS, existing human relations of the actual society such as the friend/the relative/the acquaintance and relationship of reliance the concept that is a background vis-a-vis this it constructs human network to the base.
Concrete function differs depending upon service/the sight, but the function which releases profile and diary andbetween the participant, it registers & manages the function which "the friend", the function which introduces "the friend" to the other participant, of function, there is a function and the like of short message switching for communication with "the friend" fellow/IM /bulletin board system/the calendar etc. which keeptracing "the friend" "of the friend". There is also a system which, from activity of the participant, social network information usual such as density of human relations it renews in and utilizes the mail and short message were sent to someone at about some frequency, you visited in someone's page.
Among the service sight which is open on Internet, unless you are invited from the person who participates first, the place of the policy of operation that is many it cannot participate anew.
Friend introduction service ones are many in US, as use accidental encounter expect the discovery and the like of the common acquaintance well, are used as the communication tool of the online community. In addition, the person of specification there are some which are searched and the resume/some etc. which become the recruiting job hunting matching service which releases job hunting vote, furthermore or they become portion of the information joint ownership system forknowledge managementinside enterprise as a portion of the groupware,they utilize, as the know Hu system the relationship of marketing and the user also the case which manages the sight in order to construct has appeared.
This way, the service which SNS offers being existing ones, is not the case, especially new communication tool. "of the being connected of the person and the person" or, that it differs as the existing tool decisively whether no it is.
Social network (social network) the human relations which an originally with terminology of sociology, certain person has directly and it is the map of the indirect being connected. "Small world" "six following distances" "strength ?? it is weak" and so on, quoting the result of sociology, the effect of SNS and explaining meaning it is many.
It is known as the world first SNS "sixdegrees.com", the name is derived from "six following distances". As for this sight wine like (Andrew Weinreich) the person establishes the management company in 1996 May, releases the beta sight in 1997 January, service in has done in June of the same year. It was to construct information below of the human relations where the vision which wine like shows when establishing an enterprise makes the thing - - namely the enormous map of human relations creates "social network operating system", can utilize from services of Internet.
Sixdegrees.com became closing in 2000 December, but the sight which after that matches the similar person and the person appeared one after another. While such as that, you started invitation there is no "Friendster" in 2003 March, the permission base as "to encounter, 100 ten thousand users were gathered at about establishment latter half year a type" sight, the age of SNS opened the curtain.
The Google corporation beginning "Orkut" in 2004 January, even in US it reaches the point where SNS is acknowledged, mixi and GREE calls domestic production SNS is started in February of same year. Especially, mixi management company presented to Tokyo Stock Exchange ???? in 2006 September, called topic.
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