Mark Zuckerberg and Priscilla Chan met for the first time in 2003. It was during Harvard University's college party.

As the initiative she co-founded celebrates its 10-year anniversary, Chan is pursuing a wildly ambitious goal: unlocking the hidden causes of disease.

"We’re in a time right now where the world feels really dark, and people need empathy and help more than ever—especially in our country," Eilish told the audience. "If you have money, it’d be great to use it for good—maybe give some to people who need it," she said.

Investors recoiled from Meta’s plan to issue $30 billion in new debt to fund artificial intelligence spending.