and ravia, says i would argue that not instrumental from, and a video comment. give a listen. >> for me, the shift from closed source, password protected forms, to more open source, open access, in promote -- in the promotes of jihadi material. photos and statements and like. but i see them always preaching to the choir, rather than winning more followers for al qaeda ideology. >> but ge jihaddists, they use itter, youtube, how have they evolved, for recruitment and messaging? >> well, first of all i don't think it's as centralized as people think it is. what it is is a product of fact that you have young people who are already steeped in social media who are going there and using the only tools they know how and getting it out. that's one of the reasons the message is so authentic, youth talking to youth in the only language they know. don't mistake that for being some kind of orchestrated effort to use social media to are propagate this. it is the type of factor of people going there from europe and other places, who are already speaking this media. >> shihad,