The People Onscreen Are Fake. The Disinformation Is Real.

For the first time, A.I.-generated personas, often used for corporate trainings, were detected in a state-aligned information campaign — opening a new chapter in online manipulation.

Supreme Court Poised to Reconsider Key Tenets of Online Speech

The cases could significantly affect the power and responsibilities of social media platforms.

Elon Musk Faces Trial Over His 2018 Plan to Take Tesla Private

Investors are seeking billions of dollars in damages for their losses after Mr. Musk posted a proposal on Twitter that never materialized.