Artificial Intelligence is starting to transform healthcare beyond recognition. The vision for tech companies is to get AI computers to diagnose diseases as well as a human doctor, which could ultimately result in accessible, more affordable, better healthcare for almost everyone. In a world with a chronic shortage of doctors, but where even the very poor own mobile phones, it ..真正的英雄,不是不流泪的人,而是愿意含着泪继续奔跑的人。