like t-shirts. well, cnn business senior technology correspondent lori siegl looks at how facebook is fighting other similar threats. >> reporter: the room isn't that big. just enough space for around 20 people and their computers. but the undertaking is enormous. >> it's really the culmination of two years of massive investments we've made. >> reporter: just weeks ahead of the midterm election, facebook has created what it's calling the war room. >> we have a bunch of dashboards you see around the perimeter of the room which actually are backed up by artificial intelligence and machine learning to be able to flag any anomalies or problems we see. once that happens our data sign tiflts are able to review it, understand what's happening, and pass it along to our engineers and operations specialists to take action against harmful content that we were see on our platform. >> reporter: it's been nearly two years since facebook was caught flat-footed. there was the russian interference aimed at manipulating the 2016 presidential election. a privacy scandal that lets users wondering if they could trust the platform.