Net income in July-September period was $9.19 billion, social media giant says; whistleblower who leaked internal documents tells UK lawmakers company stokes online hate, extremism

Frances Haugen, who leaked a trove of documents from social media giant, says company rewards those who post the most divisive content

Amid efforts to expand outside US and Western Europe, social media giant has failed to address or anticipate the unintended consequences of signing up millions of new users

Dr. Tehilla Shwartz Altshuler of the Israel Democracy Institute says that big shifts in data protection and privacy in recent years signal change for social media platforms

Data scientist Frances Haugen tells lawmakers the tech giant refuses to make changes that could harm its profits; senators say time for inaction has passed