Alternatively referred to as a virtual community or profile site, a social network
is a website that brings people together to talk, share ideas and
interests, or make new friends. This type of collaboration and sharing
of data is often referred to as social media. Unlike traditional
media that is often created by no more than 10 people, social media
sites contain content that has been created by hundreds or even millions
of different people.
Social networks and the analysis of them is an inherently interdiscipliary academic field which emerged from social psychology, sociology, statistics, and graph theory. Georg Simmel authored early structural theories in sociology emphasizing the dynamics of triads and "web of group affiliations". Jacob Moreno is credited with developing the first sociograms
in the 1930s to study interpersonal relationships. These approaches
were mathematically formalized in the 1950s and theories and methods of
social networks became pervasive in the social and behavioral sciences
by the 1980s. Social network analysis
is now one of the major paradigms in contemporary sociology, and is
also employed in a number of other social and formal sciences. Together
with other complex networks, it forms part of the nascent field of network science.
Next you can see video which explain how social networks have changed the world.
Alternatively referred to as a virtual community or profile site, a social network
is a website that brings people together to talk, share ideas and
interests, or make new friends. This type of collaboration and sharing
of data is often referred to as social media. Unlike traditional
media that is often created by no more than 10 people, social media
sites contain content that has been created by hundreds or even millions
of different people.
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