correspondent, laurie segall. and laurie, company officials say the last three days whisper has seen the number of users double. what are these posters saying? >> reporter: it's pretty interesting, also, that the name is whisper and really giving folks a bit of a voice. and they're called -- they're called whisperses, right? these postings, if you look at the app, scrolling through, everyone is anonymous postingses from all around the world and seeing an in flux come in from iraq right now. let me get to what they say. one, the u.s. embassy in baghdad is evacuating that one is very interesting. that was reported before the media actually reported it. they put that out there on 8:00 a.m. eastern time and the media reported a couple hours later. another one, we're fine in baghdad, but we are ready for the worst. so brooke, you just get the sense of fear. and another one, we're waiting -- our miserable deathses, as isis is progressing towards baghdad. and how folks are trying to deal with this. a user posted i'm trying to escape by my writing poems and