This week, the impossible happened—again. Amazon Web Services, the backbone of the digital economy and the world’s largest cloud provider, suffered a large-scale outage. If you work in IT or depend on cloud services, you didn’t need a news alert to know something was wrong. Productivity ground to a halt, websites failed to load, business systems stalled, and the hum of global commerce was silenced, if only for a few hours. The impact was immediate and severe, affecting everything from e...