They are generally known as social structures, where groups of people participate, which are connected by one or several types of relationships, such as friendship, common interests or even sharing knowledge with each other.
Although social networks seem to be a project that has been created today, it is wrong to conclude with it; since for these networks to obtain the success they have today, they have had to start for a very long time, together with the evolution that the Internet has developed.
Nowadays the term "Social Network" is used to name all the different sites or Internet pages that offer to register people and contact with countless individuals in order to share content, interact and create communities on similar interests: work, readings, games, friendship, love relationships, among others.
Currently social networks have become a very important part of our day to day. A high percentage of the time we spend browsing the Internet, we invest in social networks.
The influence of social networks has changed lives, both in the personal and work. People in the world have had to adapt to a new method of contact through them.
Analysis of social networks (related to network theory) has emerged as a key methodology in modern social sciences, including sociology, anthropology, social psychology.
