The best way to build a great product is to write the whole idea out first. VisiCalc started as a reference card. The Nest thermostat started as a press release. AWS, seemingly, started as a 128-word memo. “Writing is a way of finding out,” wrote Kettering University’s Marvin Swift in Harvard Business Review, 49 years ago. Finding out what to think, and what to build. Measure twice, cut once. It a
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