March 25 2021 3:38pm

Big Tech CEOs testify on spread of misinformation, extremism online before Congress

Facebook CEO Mark Zuckerberg, Twitter CEO Jack Dorsey and Alphabet CEO Sundar Pichai faced tough questions from lawmakers Thursday about extremism and misinformation on their platforms in their first appearances since pro-Trump rioters assaulted the U.S. Capitol on Jan. 6.

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