One winter afternoon in a conference room in Taipei, a pair of twentysomething women dragged their friend across the floor. Lying on the ground in checkered pants and a brown sweatshirt, she was pretending to be either injured or dead. One friend picked her up by her arms, the other grabbed hold of her legs,...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Taiwan's silicon shield" could be weakening Taiwanese politics increasingly revolves around one crucial question: Will China invade? China's ruling party has wanted to seize Taiwan for more than half a century. But in...