Startup Playbook by Sam Altman (first published a month before the founding of OpenAI in 2015) Out of all the parts, great execution is my favorite (and is also the hardest) https://t.co/8z8qAeDxTb

buzzwords of the moment call for building a “lean startup” that can “adapt” and “evolve” to an ever-changing environment. Would-be entrepreneurs are told that nothing can be known in advance: we’re supposed to listen to what customers say they want, make nothing more than a “minimum viable product,” and iterate our way to success. But leanness is a

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