EdTech
summary
A marketplace for DIY educational products sells curriculum, apps and ebooks and hits 45,000 signups on day one, specializes in special‑needs materials, monetizes via commissions and goes from bootstrap to a $15M Series A after YC. A user‑generated study platform reaches 30 million monthly active users, ranks in the US top 30 sites, and builds revenue with $1–2 monthly subscriptions for students and teachers; both founders describe long bumpy growth curves and the operational changes needed to scale.
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