Chief executive of the Facebook, Mark Zuckerberg, admitted that the company had watched the personal messages exchanged by the users on the famous "Messenger" application, and sometimes intervened to prevent some of them from reaching.
Zuckerberg's statement is likely to be expanded from the company's recently exploded scandal, after a political consulting firm has disclosed the data of tens of millions from Americans to the "Facebook " inappropriate, to be used to guide public opinion during the recent elections.
In an online interview quoted by several media outlets around the world, Zuckerberg said that "Facebook" has systems to monitor users ' messages and can block them if they "contradict their principles."
Zuckerberg cited a case in which these systems prevented the arrival of "sensitive" messages about ethnic cleansing in Myanmar.
A 33-year-old billionaire said: "In this case, our systems monitor what is happening."
Although the purpose of monitoring messages seems noble, the founder's acknowledgement of Facebook increases concerns about the protection of privacy and information security through social media and the Internet in general.
Next week, Zuckerberg testified before congressional committees on the misuse of data on tens of millions of users "Facebook " Americans, with the aim of interfering in the 2016 presidential election, which led to Donald Trump's victory.
A statement issued by two members of the Committee, which will appear before it, said: "This session will be an important opportunity to shed light on sensitive issues related to the privacy of users ' data, and help all Americans understand better what happens to their personal information on the Internet."
"Facebook" has been severely criticized in the last few weeks, after revealing that the Cambridge Analitica consulting company political, which worked with Trump's election campaign, managed to access personal data for tens of millions of users of the "Facebook ".
In March, the company stated that it had suspended the accounts of "Cambridge Analitica" and its parent company, and hired specialists to investigate whether the company still retained that data