When the Taliban resumed power, there were hopes that women might not be as excluded, repressed and abused as they were previously. Those hopes have faded. As smartphone sales plateau, tech giants are furiously searching for new platforms to conquer. Augmented and virtual reality are the new battlefields. And the rise of giga-everything: how the scale of science drives linguistic innovation. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer