is that this is really the best they can do and as these efforts, these misinformation efforts become more sophisticated it's going to require all that much more effort just to keep up in that arms race. >> and dylan, what was interesting to me, many of the interesting things out of this briefing that facebook staff gave to lawmakers they said finding this suspicious activity was hard they are time around, do you know why? >> facebook anticipated it and lawmakers on capitol hill anticipated it. every election psych it will efforts of russians and other actors are going to become more sophisticated. that's how it works and that's why it's an arms race. so url addresses, vpns easily traced back to russia around the 2016 campaign, now whoever is doing this are taking greater