Facebook secretly conducted psychological experiments on 600,000 users

"TechWeb Report" June 30 news, according to foreign media reports, a team from a Facebook report revealed that the social networking site in private to 600,000 users of psychological experiments. Facebook privately conducted a psychological experiment on 600,000 users. In January 2012, Facebook changed subscribers ' subscriptions to highlight positive or negative news, the report said. When a user sees a few positive comments from their friends, they also publish more negative than positive statements, and vice versa. These results suggest that the emotions of other people on Facebook can also affect our mood, and that social networking sites can lead to massive emotional contagion. According to Facebook's data-use policy, it does have the right to conduct such experiments, after all, when users sign up for Facebook, they also agree to data analysis, testing, research and service improvement terms.