tell this podcast, severe severe and cnn senior media reporter darcy. welcome to you all. and this is something that's been emerging for years, right? not only are these echo chambers insidious but louder on one side than the other? >> right. and i don't think it comes as a surprise to anyone, including folks at youtube, their recommendation algorithm is really a radicalization machine. the question is what are they going to do good this problem? it's one thing to recommend puppy videos to somebody interested in dogs but totally a different thing to send someone down a rabbit hole where they're seeing misinformation, extremist or political rhetoric, et cetera, et cetera. so the question for youtube and for all of these social media companies, facebook, youtube or twitter, what are they going to do to solve this issue? i don't think we've heard a real great solution or answer yet. >> and tech platforms say, and i think it's fair to say, cable