We are used to thinking of artificial intelligence as knowledge generated by machines. The Verge’s Josh Dzieza pulls back the curtain on the vast network of human labor that powers AI.

This episode was produced by Amanda Lewellyn, edited by Amina Al-Sadi, fact-checked by Laura Bullard, engineered by Patrick Boyd, and hosted by Sean Rameswaram.

Transcript at vox.com/todayexplained

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