Sheryl Sandberg, chief operating officer of Facebook Inc., speaks during a news conference at Station F, a mega-campus for startups located inside a former freight railway depot, in Paris, Jan. 17, 2017.
Prior to the hearing, President Donald Trump in an interview with the Daily Caller accused social media companies of interfering in the USA mid-term elections in November, without appearing to offer any evidence. Google, however, risks having an empty chair at the hearing after cofounder Larry Page declined to appear. Follow the live blog below.
As Facebook, Twitter and Google officials prepare for a marathon day of congressional hearings on Wednesday to address concerns about fake news and political bias on their sites, Twitter CEO Jack Dorsey is set to defend his platform from allegations of censorship.
A committee spokesperson said Walker's "commentary" was not testimony, adding, "We wish his enthusiasm for participating in the company's public hearing extended to his company's senior leadership, and that they were willing to answer the committee's questions". "Congress is going to have to take action here", Warner said.
The company is getting better at finding and removing "inauthentic" content and now has more than 20,000 people working on safety and security, she said.
But Sandberg - whose boss Mark Zuckerberg testified before Congress in April, ducking questions about the Cambridge Analytica privacy scandal - is expected to insist that tech firms can't do everything themselves.
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"Clearly this problem is not going away; I'm not even sure it's trending in the right direction", Burr said of the threat to U.S. elections from foreign influence operations on social media platforms. "As [Sen. Richard Burr (R-N.C.)] has noted, 'Nothing less than the integrity of our democratic institutions, processes and ideals is at stake.' We agree, and we are determined to meet this challenge".
The companies have made many policy changes, and have caught and banned malicious accounts over the past year.
Dorsey will tell the House Energy and Commerce Committee that Twitter "does not use political ideology to make any decisions", according to written testimony released on Tuesday. "We believe strongly in being impartial, and we strive to enforce our rules impartially".
In prepared testimony released ahead of a House hearing Wednesday afternoon, Dorsey says his company does not use political ideology to make decisions, and aims to make as many voices heard as possible.
Dorsey will testify on Capitol Hill Wednesday. Now, executives from some of those giants will tell lawmakers the steps they have taken since to prevent similar attacks.