Recently, social networking sites are gaining immense popularity.
A social network is a site that visitors themselves are filling in. As a rule, social networks allow you to create a page with your data and correspond, exchange photos and videos with other members of the social network.
Social network involves mass. It is interesting when there is someone to communicate with – friends, acquaintances.
The most popular social networks:
VKontakte (135 million users)
Classmates (45 million users) Continue reading