A significant part of the past year of economic growth is attributable to high expectations of AI. Meanwhile, the company behind ChatGPT has released Sora, which turns text into “video” (a word that is losing its accuracy) and has a TikTok-like experience for sharing this machine-generated visual content. Cal Newport wonders whether this, and the imminent release of AI-generated “erotica,” is an inadvertent confession that the cutting edge of AI isn’t generating the breakthroughs promised:

Whether Sora lasts or........

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