Information may be “the oxygen of the modern age,” as Ronald Reagan famously said, but information technology is a mixed bag. Among other things, it has fueled the rise of global jihadism as we know it today.

It enabled a nest of tunnel-based terrorists in Afghanistan to coordinate the most deadly non-state terrorist attack in history 15 years ago. More recently, it has populated a new Islamic “caliphate” in Syria and Iraq with volunteers from around the world.