Islamic State (ISIS) introduces ‘Khilafah Book’ (Caliphate Book), a social network for jihadists to bypass social media bans by Twitter, Facebook, YouTube

http://www.barenakedislam.com/2015/03/09/islamic-state-isis-introduces-khilafah-book-caliphate-book-a-social-network-for-jihadists-to-bypass-social-media-bans-by-twitter-facebook-youtube/