A Times investigation shows how the country’s biggest technology companies, as they raced to build powerful new artificial intelligence systems, bent and broke the rules from the start.Cade Metz, a technology reporter for The Times, explains what he uncovered.Guest: Cade Metz, a technology reporter for The New York Times.Background reading: 

• How tech giants cut corners to harvest data for A.I.
• What to know about tech companies using A.I. to teach their own A.I.

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