Fighting extremism requires a pyramid-shaped strategy. At the top, it requires that social-media companies take stronger steps to ban the predators and monitor hate speech, as they’ve already begun to do. But the rest of us, the understory of the biomass pyramid, can do better too. If we understand the psychological origins of online extremism, we can play an equally important role in limiting the spread of the most hateful ideas.
Electronics giant Huawei has cultivated a close relationship with a leading Washington think tank.