The year of the “mini-Musk” chief executive, the end of homework as we know it, a crackdown on TikTok and other predictions for 2023.

Also, Sam Bankman-Fried’s arrest and answers to our listener questions.

On today’s episode:

• David Yaffe-Bellany, a cryptocurrency and financial technology reporter for The New York Times.

Additional reading:

• Bankman-Fried, the former chief executive of FTX, was arrested and denied bail by a judge in the Bahamas. Prosecutors accused him of engaging in widespread fraud.
• John J. Ray III, the new chief executive of FTX, described an “unprecedented” lack of record keeping at the company.
• Scientists used a quantum computer to simulate a pair of black holes.

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