Web streams has no synchronous path. Even if your source has data ready and your transform is a pure function, you still pay for promise creation and microtask scheduling on every operation. Promises are fantastic for cases in which waiting is actually necessary, but they aren't always necessary. The new API lets you stay in sync-land when that's what you need.
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Listen to the optimists, and the AI-driven economic boom is at the doorstep. The Penn Wharton Budget Model projects AI will add 1.5% to GDP and productivity over the next decade. Goldman Sachs says it could add up to three percentage points to productivity every year. By the mid-2030s, AI might increase work output by 20%, according to Vanguard.
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