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    The social networks: an introduction
    The social networks: an introduction
    The social networks: an introduction
    Ebook63 pages37 minutes

    The social networks: an introduction

    By Marco Casella

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    About this ebook

    This book provides a general overview from the historical and technical point of view of the most known social networks of the Web: Facebook, Twitter, MySpace and LinkedIn.
    LanguageEnglish
    PublisherMarco Casella
    Release dateJun 2, 2015
    ISBN9786050384611
    The social networks: an introduction

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      Book preview

      The social networks - Marco Casella

      Web

      The social network

      Definition and theoretical aspects

      A social network consists of any group of persons connected between them by different social links, from random knowledge to work and family relationships, to share groups of particular interests, etc.

      At the basis of this definition of social network, there is a simple mathematical concept, the Dunbar’s number, or rule of 150. It affirms that the dimensions of a real social network are limited to about 150 members, a number that has been carefully calculated by sociologic researches on the basis of the maximum dimension of a village and is theorized by the evolutionary psychology as a kind of superior (or highest) limit to the average ability of human beings to recognize some members and to keep in mind the emotional events of all the members of a group. It deals more generally with the maximum number of individuals with which a person can have a stable relationship, namely to know and to recognize the identity and the capability or the way of each person to interact with the others.

      All of this leads to a quite complex sociologic and anthropological dimension. The research carried out within different disciplinary approach highlighted how social networks work at more levels (from families to national communities) and play a leading role in the determination of the resolution modes of problems and the management systems of organizations, as well as the possibilities of the single individuals to reach their goals.

      In the last years, the diffusion of the Web and the term social network created some ambiguities of meaning. In fact, the social network is firstly a physical network. It can be composed of:

      a community of workers who meet after the work in clubs and share strictly problems related to work and or to the protection of labour law;

      a communities of sportsmen who meet to practice sport or to follow their own team;

      a religious community, set up in brotherhoods, church meetings or any other place of worship.

      Until the coming of media, the characteristics of social networks were bound to spatial and temporal limits overcome with social networks on the Web. The space that before separated me from my childhood friend moved to… has been now replaced by cyberspace that enables to maintain contacts also at much larger physical distances.

      So, we assist to a real strengthening of the social experience. Thus, the social networking becomes the meeting point of various trends: the use of the new media as supporting instrument of his own social network (organization and extension), expression instrument of his own social identity (description and definition) and instrument of identity analysis of the other members of the network (exploration and confrontation).

      The evolution of the Web represents a cultural revolution that proposes a new way of communicating, socializing and creating that qualifies the creativity, the sharing of information and, above all, the collaboration between users. A society where the main means of communication were those of mass and unidirectional has been replaced by a society where the information exchange occurs between users, many-to-many, thanks to the logics of the participative web; there was an era when the brand was the protagonist, now the single subject is the protagonist.

      The so called web communities or social networks on the Web are one of the more evolved communication forms in Internet. The network of social relationships that each one of us has everyday can be enriched with new contacts. Social media became by now an integral part of modern society, and there are social networks that have a greater users’ base than the population of many countries. There are websites of virtual niche for any type of interest. There are websites that enable to share photos, videos, updates and others that enable to know new people and to find old friends. It seems that there is a social solution for any type of need.

      The Internet version of social networks (social media) is surely one of the more evolved communication forms on the Web, as well as an attempt to violate the rule of the 150. Social media represent a change

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