Scientists from America established: data from the social networks Facebook and Twitter are not true and cannot be used in the framework of modern research.
Human behavior in the Internet and real life are very different. Employees of the social networks involved in research on the basis of their sites, often biased to the received data.
Scientists from the University of Carnegie Mellon, headed by jürgen Pfeffer sure inaccuracies surveys and observations made on the basis of Internet platforms. The real benefit to science only bring the real polls. The day before were denied and blocked data on people's opinions about tobacco Smoking, diabetes and other problems. All of the above studies were conducted on the basis of social networks.