
Facebook COO Sheryl Sandberg testifies before a Senate Intelligence Committee hearing on foreign influence operations on social media platforms on Capitol Hill in Washington, U.S., September 5, 2018. REUTERS/Joshua Roberts/Files
Facebook COO Sheryl Sandberg testifies before a Senate Intelligence Committee hearing on foreign influence operations on social media platforms on Capitol Hill in Washington, U.S., September 5, 2018. REUTERS/Joshua Roberts/Files