乔布斯说过一句话：微软真正的问题，不在工程，而在没有 taste。我以前把它当成一句挖苦。但这几年，我把 AI 越来越深地用到自己真正在乎的事情上——做研究、写东西、给自己鼓捣一些小工具——才慢慢觉得，这句话讲的恰恰是全部。

Economic data are rarely static.
Gross domestic product (GDP), inflation, employment, and other official statistics arrive as early estimates, then get revised as new source data arrive, seasonal adjustment is updated, or benchmarking changes are appl…