It may look like an official has leant on their keyboard – but it’s an acronym we’ll hear more often.

The opposing paths taken by two powerful firms — Benchmark and Andreessen Horowitz — embody a profound debate about the future of an industry that funds and fosters American innovation.

A.I. insiders are falling for Claude, a chatbot from Anthropic. Is it a passing fad, or a preview of artificial relationships to come?

Mr. Musk is wielding his X account to single out federal employees and agencies for cuts. He has used this method before.

It was a week of frenzied activity, as Silicon Valley billionaires and their companies brandished checks and compliments for the President-elect.