Social networking services

A social network site is usually an online service that allows to share interests, events and ideas. 

According to the text, Ukrainians are on the 3rd place among the most active users of social networking systems. 

Contemporary social networking methods began to develop in early 2000s. 

A widely-known and popular Facebook was founded in 2004. 

Two years later, at the end of 2006 Facebook became the largest social networking site. 

The scholars investigate different issues concerning the impact of social network systems on society and youth, in particular. 

Social networking sites used to allow implement new methods of teaching to increase students’ interest to the educational process. 

According to the text, contemporary online services provide opportunities within professional education, curriculum education, and learning but efficiency of educational process decreases every year.