amplified by those algorithms as it leads children down rabbit holes in this kind of feedback cycle. be prepared for more disclosures coming this week and in the coming weeks. >> you have been putting pressure on mark zuckerberg to testify before your committee. what day, can you tell us, when he's coming? >> i wish i could. i wish mark zuckerberg would stand up to his responsibility. he controls that company in a way few other single individuals do in corporate america, and he should be held accountable, so should facebook, for the kind of destructive content they're pushing. we're asking not only from mark zuckerberg but disclosure for all of these documents that you're seeing now in realtime from other whistle-blowers and we anticipate and hope there will be more whistle-blowers. >> that's interesting, have you heard from many others? >> we know of others. we hope to hear from others. we hope we'll have testimony