National Behind the secretive work of the many, many humans helping to train AI 4:38pm June 26, 2023 Technology Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Economy French champagne makers brace themselves for the impact of U.S. tariffs by Rebecca Rosman Economy Last call for Skype by Vincent Acovino 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate