>> i mean, it's just a frankenstein monster, what you're describing and dr. stroman, as you have laid out, there's the pernicious effect on our democracy. we all saw that on january 6th and then there's the hazardous effect it's having on our teenagers. so, listen to the whistle-blower describe what they know about how it's harmful to the health of teenagers. >> facebook knows that its amplification algorithms can lead children from very innocuous topics like healthy recipes -- i think all of us could eat a little more healthy -- all the way from just something innocent like healthy recipes to anorexia-promoting content. kids who are bullied on instagram, the bullying follows them home. it follows them into their bedrooms. the last thing they see before they go to bed at night is someone being cruel to me or the first thing they see in the morning is someone being cruel to them. kids are learning that their own