How Notion Rose from the Ashes of Its Own Failure

Notion's first version was a disaster. The product was overly complex, targeting too many use cases at once. The technology was unreliable. The team of approximately 80 people was burning cash with no product-market fit.

Zhao had to make an agonizing decision: shut down completely, or reduce to a skeleton crew and try again. He chose to reduce to just 4 people and relocate to a cheaper location. But before rebuilding, he needed to understand exactly why V1 failed — otherwise he'd repeat the same mistakes.

Zhao applied structured problem-solving to dissect the failure:

Issue Trees broke the failure into MECE (Mutually Exclusive, Collectively Exhaustive) sub-problems:

• Product complexity: Tried to be everything — wiki, project management, notes, database — before being good at anything
• Wrong target market: Initially targeted enterprises, but the product wasn't stable enough for enterprise requirements
• Technical architecture: Built on unstable foundations that couldn't scale
• Team alignment: Too many people building in different directions without a shared vision

Inversion asked the critical question: "What would guarantee we fail again?"

• Building too many features before nailing the core → focus on blocks-based editing first
• Targeting enterprises before individuals → start with individual users and grow bottoms-up
• Using unproven technology → rebuild on proven, reliable infrastructure
• Having too many people too early → stay small until product-market fit

The Productive Thinking Model guided the rebuild through six structured steps: defining the problem, identifying success criteria, generating solutions, selecting the best approach, building an action plan, and aligning the (now tiny) team.

The comeback was remarkable:

• Notion relaunched with a small team and a focused product — the blocks-based editor that let users build custom workspaces
• Grew to 30M+ users through word-of-mouth and bottoms-up adoption
• Reached a $10B valuation
• Became the defining product in the "all-in-one workspace" category

The lesson: Notion's V1 failed because they built before understanding. V2 succeeded because they diagnosed the failure systematically before writing a single line of new code.