In San Francisco, while Zhao still believed he was right about his grand vision, he realized he was wrong about his market. It was a crucible moment. The first version of Notion was a tool that non-coders could use to make their own apps. Disappointingly for the co-founders, it turned out, even if they were Last’s and Zhao’s actual friends, non-cod... See more

Assess the potential and spot the openings:  “We spent a lot of time thinking about ‘What is the market for this?’ Spreadsheets have been around forever, but most of the time, people use them to track objects: people, companies, simple tables. They're not doing modeling and number crunching, which they were invented for,” says Ofstad. “And wh

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