an individual like terrence mcneil arrested for terrorism related charges last fall, by the time he was arrested he was 21, been kicked off 14 different times. there is a isis i could chamber that has shouts and say here is normal eight, everyone follow him. there's a built-in system and says we know your getting kicked off comeau what the helpbut the help other people to make sure they get back on. from a research perspective, you clearly want more data is much as you possibly can. is clearly a balancing act on whether it is a necessary way. i tend to be more on the positive encounter come although there is some instance where i think it is warranted. >> we have been encouraged by companies enforcing terms of service. america chambers out there where they are posting violent tweets and beheading videos now, where there may be some limited cases in which they can be helpful in there is some intelligence, that can be communicated, but for the most part i agree with this view on it. it is important again to remember that overwhelmingly isil is rejected around the world, and there is a rea