What they said: Quotes from a Facebook hearing in Congress

FILE PHOTO: A 3D-printed Facebook logo is seen placed on a keyboard in this illustration taken March 25, 2020. REUTERS/Dado Ruvic/Illustration/File Photo

(Reuters) - Facebook whistleblower Frances Haugen testified before the U.S. Congress on Tuesday, telling lawmakers the social media giant knew its apps were harming the mental health of some young users. Here are some comments from the committee hearing:

FRANCES HAUGEN, FACEBOOK WHISTLEBLOWER