The dotcom and AI booms share unnerving similarities: an exciting new technology, an epic bull run, hubristic tech bosses. Yet the differences are more important https://www.economist.com/leaders/2026/09/03/nvidia-is-driving-the-ai-boom-good?taid=6abf5b2945ab100001f5d85a&utm_campaign=editorial-social&utm_content=discovery.content&utm_medium=social-media.content.np&utm_source=twitter