Forget California’s billionaire wealth tax. The economist Natasha Sarin believes there are better ways to make billionaires pay up.

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The race to build artificial intelligence infrastructure is consuming increasingly enormous amounts of cash at the biggest tech companies.

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A.I. will reshape our world. But does that mean the people who make the technology get to control our imagination, too?

A newly launched stock class being offered was partially engineered to help Meta founder and CEO Mark Zuckerberg pay the "billionaire's tax," should the measure be voted into law.

The social media giant is planning a new stock strategy to help power its broad investments in AI models and services.