How Microsoft’s Satya Nadella Became Tech’s Steely Eyed A.I. Gambler

Microsoft’s all-in moment on artificial intelligence has been defined by billions in spending and a C.E.O. counting on technology with huge potential and huge risks.

The End of the Affair? Not for Eric Schmidt.

While Mr. Schmidt was chief executive of Google, he had an extramarital relationship with Marcy Simon, a public relations executive. A decade after they split, things are still messy.

Is Xenophobia on Chinese Social Media Teaching Real-World Hate?

Violent attacks on foreigners have prompted a debate about extreme nationalism online in a country that heavily censors information the government bans.

How Mark Zuckerberg’s Meta Failed Children on Safety

The C.E.O. and his team drove Meta’s efforts to capture young users and misled the public about the risks, lawsuits by state attorneys general say.