lead to imminent real-world imminent harm. we built an unprecedented third-party fact checking program and we have warning labels and significantly decrease its distribution. we invest a lot in directing billions of people to authoritative information. the system isn't perfect but it's the best approach that we've found to address misinformation in line with our country's values. >> we have heard similar words from the company before. in the wake of charlottesville in 2017, when white nationalists used facebook to spread hate. after the cambridge analytica scandal when trump consultants exploited data of millions of facebook users. we have heard it throughout a year and a half of covid misinformation, facebook has promised to change. and to its credit, the company has made changes but they haven't been enough. certainly, according to this whistle-blower. only now, thanks to -- because of this whistle-blower, we have a better picture perhaps of the financial incentives that facebook has not to crack down harder and a better sense of what the company, itself, knew about the damage it allows. we invited facebook to come on