also joining us, bloomberg tax global executive editor tom giles. , not just it was bad on facebook, on youtube and other platforms and social media. we know it is bad. when this many people can see such a violent, gruesome imagery , and when these companies struggle to use the tools that they have at their disposal to pull it down. it is a terrible thing, it is a lot of views. and as we saw, those things are getting politicized by other parties. professor, we know that it took 17 long minutes for the video to be caught and taken down. but then why some a hundreds of thousands of times and still make it through when clearly facebook does not want to. -- it. >> it is clear they do not want it on their platform and have taken a number of steps, but we have to recognize that live videos are problematic for these algorithms. most firms have a three-pronged approach to catch this content. first, they have created a large database of known offensive or extremist content. anytime a video is uploaded, they compared to that. live videos, by definition, do not look like a video they had seen b

emily: joining us to discuss, bloomberg executive tech editor tom giles.n the phone, susan warren, who has been covering democratic presidential hopefuls at sxsw. no relation to the senator. what was the reaction to senator warren's remarks on the ground? susan: this was a very youthful, techie crowd and they loved her. she made the pitch about what it is worthwhile to them and their future careers to see more opportunity and diversity in the marketplace. she was easily the most popular -- she got the most popular response from the crowd over the course of the whole weekend. emily: didn't the moderator asked the folks who work in big tech to stand up and pointed out these are the people that would lose out as a result of her proposal and she said boo-hoo? susan: she said that about the company's making more profit. it was not that she was not sympathetic with the potential unemployment. in fact, she thought it was expanding the employment opportunity. that was her pitch. i talked to one young man in the crowd who just graduated from berkeley and was going

here with me in the studio, tom giles. ambassador wallace, i want to start with you.he shooter knew how this would play out online before this happened in the new york times put it this way, this was a mass murderer for the internet. how much more terrifying does that make the situation? the socialwallace: media companies know how this would play out. this is not a new problem. for years, the social media companies have been aware of the proliferation, the weaponization of their platforms and the fact that people can recruit, call to act and there have been various right islamicremists, propagatedthat have online. what a shocking that it took them 17 minutes to take it down existsechnology they claim to remove any uploads of this instantaneously. it prevents be that any of the proliferation of this material going up online. some reallye is hard questions that have to be posed to social media companies. they have a real responsibility. i am not accusing them of butetrating these acts, these platforms have been weaponize, they have known about them being weaponize, and

many thanks to tom giles, bloomberg's executive editor of global technology.up, live coverage of the president's news conference with the president of brazil. the president is due to arrive at the white house any minute and we'll bring you any headlines as they develop. live from new york and from washington, this is bloomberg. ♪ you. all of you. how you live, what you love. that's what inspired us to create america's most advanced internet. internet that puts you in charge. that protects what's important. it handles everything, and reaches everywhere. this is beyond wifi, this is xfi. simple. easy. awesome. xfinity, the future of awesome. vonnie: there are 30 minutes left in the trading day in europe. from london and new york this is "the european close" on "bloomberg markets." seeing a nice bounce today. the euro stoxx 50 is up. up 33%,40 in paris is the dax in germany pushing through. in the united states, the s&p 500 is up .6%. chipmakers have a good day. micro devices with an opportunity for gaining in google, which kicks off today. that stock up 6% in th

also joining us is tom giles. >> we knew it was bad. it was bad, not just on facebook, but on youtube and other platforms, being on social media. we know it is bad. see this many people can such violent imagery and these companies struggle to use the tools they have at their disposal to pull it down, it is a terrible thing. that's a lot of use. -- views. those things are getting those things are getting politicized. emily: we know that it took 17 minutes for the video to be caught and taken down. >> putting live video out there, i don't see, you can physically .elay >> you can't live", but you delay it a little bit. that helps to some extent. will have 100% accuracy. you do rely on human beings. users flagging offensive content. that takes a few minutes or hours. one has to, and some ways deal with this real question. it's not how and why you got through, and i think it is unavoidable for live content. the question for me, is what exactly are these firms doing to police the content. ?an they be more transparent other independents done,

also joining us, our global executive editor, tom giles. >> we knew it was bad.s bad not just on facebook but also on youtube and other platforms, in social media, on the internet. we know it is bad when this many people can see such violent, gruesome imagery, and when these companies struggle to use the tools they have at their disposal to pull it down. it's a terrible thing. that's a lot of use,and as we saw over the weekend those things are getting politicized by other parties. know that it took 17 long that is for the video to be but thend taken down, why so many hundreds of thousands of times does it still make it through the algorithm went clearly facebook doesn't want it. >> it is clear facebook does not want it, they have taken a number of steps. we have to recognize that live videos are particularly problematic for algorithms, so most of these firms have a three-pronged approach to catch these kinds of content. they have created a large database of known offensive or extremist content so anytime a video is loaded they compare it to that. live video by de

emily: bloomberg's executive editor tom giles as well as bloomberg tech's susan warren joined us on mondays. tom: she put a lot of thought and time into this. there are a couple of different prongs, one of them very straightforward -- break up big tech. break up some of these mergers. for example, facebook bought whatsapp. facebook bought instagram. she talked about amazon and zappos. she has a list of deals that she would take a closer look at. and she is invoking at&t back in the 1980's, some of the big trust busting cases in u.s. history. but there is also a more nuanced argument, and that is where, when these companies start to operate like a platform, like utility, and they are also competing as part of that platform or with those platform participants, that is where she also is looking for some kind of way to separate out those businesses. so, for example, amazon. amazon is the case that she keeps coming back to time and time again. amazon has created this huge marketplace for millions of sellers to peddle their wares, but amazon is also a competitor in there. and she cited a story -

emily: bloomberg's tom giles and susan warren.e, ads for warren's campaign making her case for -- taken down from facebook and were quickly restored. she tweeted -- curious why i think facebook has too much power? thanks for restoring my post, but i want a social media marketplace that is not dominated by a simple censor. she got an unlikely supporter in senator ted cruz, who retweeted warren, saying first time i ever retweeted elizabeth warren, but she is right, big tech should not be censoring warren or anyone else. a serious threat to our democracy. so what would a big tech breakup look like? the author of "zuck" joined us to wait in. roger: i really like what elizabeth warren is doing. first reachedhe out to tristan harris and me in the summer of 2017 with her early thoughts relative to what was going on in technology. and i was incredibly impressed by the insights that she had in comparing what was wrong in tech compared to what she had seen go wrong in the banking business, where, essentially, you had markets in which one si