想法是脆弱的。如果它们已经被彻底解决，那就不再是想法，而是产品。要不被新想法带来的问题吞没，需要一种坚定的努力。问题很容易被清楚说出、被理解，它们会夺走氧气。史蒂夫会把注意力放在想法本身上，哪怕它不完整、甚至看似不太可能。
Backpressure — the ability for a slow consumer to signal a fast producer to slow down — is a first-class concept in Web streams. In theory. In practice, the model has some serious flaws.
，更多细节参见搜狗输入法2026
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