Jensen Huang admits "extramarital affair," Nvidia launches investigation; ChatGPT hit by sudden account bans, even $200 Pro users affected; Tencent's Yao Shunyu on "AI company moats": at the product layer, not the model layer

Nvidia CEO Jensen Huang apologized for a personal matter, admitting infidelity to his wife, and disclosed that the board will launch an independent investigation into national security concerns mentioned in related reports; he said he will fully cooperate. Multiple ChatGPT user accounts were suddenly deactivated, including users on the $200-per-month Pro subscription; some received no notice, and OpenAI said the matter must be handled through its appeal channel.