@sofletter

I write about cool startups, their stories and strategies of visionary founders.

sofletter.com
Joined November 2025
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I broke down how Alexandr Wang built Scale AI: the customers, the hiring and the operating rules. Full teardown here: xitter.cf/sofletter/status/21114…
Sof
@sofletterOct 17
A deep dive into Alexandr Wang: his early years, the self-driving bet that built Scale AI, how he won customers and hired, the memos he ran it by, and his move to Meta.

Alexandr Wang's Strategy: Building Scale AI, the data behemoth behind OpenAI, Google, Meta and more.

Article · @sofletter
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Deadlines don’t measure how long work takes. They shape it. In a 2019 memo, Alexandr Wang, co-founder of Scale AI, pointed out that marathon finishing times bunch up just under round numbers like 3:30 and 4:00. People reliably finish just under whatever bar they’re given. He called it the Limbo Effect. His conclusion: a realistic estimate makes work slower on average, an optimistic one makes it faster, and the best option is no deadline at all. Just urgency. It became a Scale AI credo: “Up the tempo.”
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