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Young tech entrepreneurs in San Francisco are hoping to cash in, even as they wonder how artificial intelligence will affect society.

Defections, secret conversations, deal talks that fizzled and a battle for control: The turmoil at Thinking Machines Lab is the artificial intelligence industry’s latest drama.

Greensboro’s economy depended on friendly relations with Canada. But after tariffs and threats to make the country the “51st state,” neighborly ties have frayed.

An extreme athlete built a wellness lair in New Jersey and turned it into the members-only club of his dreams.

Sergey Brin is joining his Google co-founder, Larry Page, in reducing ties to the state where they built their fortunes.

Jenelle Manzi started a nutrition company while performing with New York City Ballet. Now she’s doing her makeup in cabs and taking Zoom meetings as she sews pointe shoes.

Just like past tech booms, the latest frenzy has produced a group of billionaires — at least on paper — from smaller start-ups.

Users say Auzi’s decorative covers and jewelry attachments have changed the way they feel about wearing the devices.

Neros, a company founded in 2023 by former teenage drone racers, won a coveted Army contract and is gaining popularity in the defense sector.

Everything in the shop appeared to have been abandoned. A devoted customer took it all home and started selling the items herself.

Trump administration officials are weighing a plan that would allow wealthy individuals to donate shares in their companies to the investment accounts.

Artificial intelligence has become a national security concern. That has federal officials rethinking how lightly it should regulate the technology.

The technology giant met with administration officials last week to address a growing concern in Washington: insufficient computing power for artificial intelligence.

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With his crisp breakdowns of President Trump’s trade moves and distinctive Aussie accent, Mr. Wolfers has become a TV constant. Now he’s starting his own media company.