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The Cold Start Problem

Andrew Chen's book on network effects and launching social products.

1 source1 tips
At a glanceA waitlist gave Jay's social app density on day one
  1. 1Build a waitlistAbout 12 to 15K people signed up
  2. 2Launch to the listAbout 6K got the app day one
  3. 3Hotspots reach densityBarcelona had around 20 users
  4. 4App works with twoEven users spread worldwide stayed useful

From Jay, citing Andrew Chen's The Cold Start Problem

What was said about The Cold Start Problem

  • Build a waitlist first so a social app has density on day one. Jay built a waitlist of about 12 to 15K people before launching his social app. About 6K people got the app on day one, and big hotspots like Barcelona had around 20.

    The app works with just two people in a place, so it worked even with users spread worldwide. Without critical mass on launch day, he says, "it's like a revolving door." He found Andrew Chen's The Cold Start Problem very helpful for the density problem and recommends it to anyone building a social app.

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