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. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.