Mark Zuckerberg, an ordinary student of Harvard University (2003, October 28), invented a no ordinary network website and called it Facemash. In the beginning web-site was accessible only for second year students of Harvard University. After two year hard working process, in May 2005 Accel partners invested $12.7 million in developing Facebook.
It has option of online chat, it reminds you date of birthday or an event, also you can play different online games without leaving system
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Moreover, different companies are given a great opportunity to advertise products, services and probably web sites.
I want to put my finger on the advertisement , which occurs in social network. Network, particularly social web-sites are most frequently visited sites, and in comparison with TV, it is enormous force to praise products, because nowadays much time is spent on surfing the Net than watching TV by our generation.
Here is the link of Wikipedia related to MOST POPULAR WEBSITES and surprisingly Facebook is the second celebrated site according to Alexa Traffic Rank.
https://en.wikipedia.org/wiki/List_of_most_popular_websites
It is interesting, that Facebook far from being the only source of social network advertisement, and business companies are provided paid advertisement service by different web-sites. Advertisement is everywhere, on the right or left, upper or lower part of the web page. Sometimes, particularly https://www.youtube.com shows advertisement during watching of another video , and audience should wait for the ending , or watch just one part then click on SKIP AD. 
Some other examples form common web-sites.
Usually, it brings to the stress and anxiety because audience should watch it despite the fact they like it or not. Honestly it bothers me as viewer and I am not sure if it has an effect on audience (based on scientists or psychologists) but I feel that it deliberately must affect on our subconscious and I am alarmed.
What, if one day we will live in Hyper Reality world that has been created by someone whom we don’t know?
Famous film – The Matrix, scene with Morpheus. https://en.wikipedia.org/wiki/The_Matrix
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