Stopping IS propaganda on the netElizabeth Shoo, Dana Regev06/29/2015June 29, 2015'Islamic State' is using social media as a means to openly encourage people to organize terror attacks and recruit followers. DW takes a look at why it is so difficult to stop them spreading their ideals.https://p.dw.com/p/1Fos3Image: picture-alliance/AP PhotoAdvertisement