one of the ways to track the people, but the problem is that the radicalization is so fast that you can have a kid in new york city who has been exchanging the twitter messages, and switches to something in encrypted, and they travel. it is reaching those people that the state department is having trouble doing. and how do you make something that is counter culture that reaches out to these young people who feel alienated when you are part of the system. >> and they are good now, these en clipted messages that they are able to talk to each other without anybody being able to monitor what they are doing. >> and you think about the problems of the security service, and the couple of them, the encrypted message, and the end-to-end encryption, that the government is talking to the silicon government, and very difficult if not impossible for the government to watch, so a 16-year-old kid in california wanting to talk to syria fighters.