An anonymous reader writes with this story about Director of Google Ideas Jared Cohen and his talk with the Royal Institute of International Affairs about stopping terrorists online. Cohen contends that the best way to fight them online is to keep them confined to the dark web. The Guardian reports: "Google's head of ideas, tasked with building tools to fight oppression, has said that to stop Isis being able to publicize itself on the internet requires forcing Isis from the open web. During a talk with the Royal Institute of International Affairs at Chatham House, Jared Cohen said that it will not be possible to stop terrorists such as Isis from using Tor and the dark web. The key to stopping the terrorist group from propagating online is therefore to hound them from the traditional web – that which can be indexed by search engines. Cohen said: 'What is new is that they're operating without being pushed back in the same internet we all enjoy. So success looks like Isis being contained to the dark web.'"