Socil networks

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  • Publicado : 28 de noviembre de 2010
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SOCIAL NETWORK

WHAT IS A SOCIAL NETWORK?
A social network is a social structure made up of individuals called "nodes", which are connected by one or more specific types of interdependenciacalled ties, such as friendship, common interest, or beliefs among others.

In its simplest form, a social network is a map of specified ties, between the nodes being studied. These concepts are oftendisplayed in a social network diagram, where nodes are the points and ties are the lines.

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HISTORY
Although social networks are now so popular, it is not a new invention. In prehistorictimes, people often gathered to go hunting or picking berries, ... We can say that social networks exist since people realized how to comunicate. But now, technology allows us to break two importantlimitations : time and distance. A few years ago it was impossible to maintain relations with people that live in other countries, now is totally common. Thats why internet is Laing ground because thetimes are reduced and the responses are more médiate The first known virtual network was created in 1997: SixDegrees.com. Its purpose was to help people connect to send messages to others. In 2000 heclosed the service. [pic]
Six degrees of separation (also referred to as the "Human Web")

Refers to the idea that everyone is on average approximately six steps away from any other person on Earth,so that a chain of, "a friend of a friend" statements can be made, on average, to connect any two people in six steps or fewer. It was originally set out by Frigyes Karinthy and popularized by a playwritten by John Guare.

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The expansion of virtual social networks

According to the latest study from Nielsen, an expert on market measurement, two thirds of the people "connected" visitsocial networks and blogs

Although social networks emerge among a Yong audience, is being popularized to the rest of the public. This change has been driven mainly by platforms such as Facebook,...
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