The company tweaked the Newsfeed algorithms of 689,003 unwitting Facebook users, so that people were seeing an abnormally low number of either positive or negative posts. In a recently published study, the scientists say they found that when people saw fewer positive posts on their feeds, they produced fewer positive posts and instead wrote more negative posts. On the flip side, when scientists reduced the number of negative posts on a person's newsfeed, those individuals became more positive themselves.
По скоро да е така - като те облъчват с негативни неща ставаш по негативен това изследване просто доказва че връзката я има.... но не съм сигурен не ми е специалността
Понеже БГ телевизиите са негтивни явно който не гледа телевизия е по щастлив
