the internet watch foundation is a charity which removes child sexual abuse from the web. rate at which it's increasing? it's extremely concerning because, you know, children have this technology at their fingertips but it's also spiralling out of control in terms of self—generated content. our figures so far for the year, for the half year, suggest we're now at 44% of our actioned content is actually self—generated. so, this is increasing very, very quickly. isabel's job involves searching for child abuse online, to get it taken down. again, we're protecting her identity because of the work she does. i'm not going to lie, it's not always an easyjob, because every single day i come to work, i am seeing thousands and thousands of images of children being raped, sexually abused, kind of the worst images i've ever seen in my entire life. most of what we see in terms of self—generated content is usually a single child kind of alone in their bedroom or bathroom and they're being coerced by someone on the other side of the screen to perform sexual acts. but what we're seeing now

foundational in the way the internet works. emily: all right, so much to follow tomorrow. we will of course be watchingtimony from capitol hill. mark bergen, thank you so much for your analysis. coming up, continued policy changes for political ads on facebook. is the company doing enough? our conversation with the cambridge analytica whistleblower, who owns the own your own data foundation. she will be with us next. this is bloomberg. ♪ we are just a week away from the u.s. presidential election. social media platforms are updating policies, taking down ads related to the election. the latest coming from facebook which says politicians that claim victory prematurely are against company policy. the company stock accepting all new political ads this morning but will allow advertisers to promote ads that have been previously uploaded into the system. joining us to talk about the latest policy changes and whether there are enough is brittany kaiser, whistleblower of the cambridge analytica facebook scandal and cofounder of the own your own data foundation. you have learned a lot about your journey from ca