Build a Monopoly in a Niche—but Do Not Define the Market Too Narrowly
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Collected in Robin Shen’s Field Notes · Content type and attribution are shown above
English translation of the Chinese post originally published 2021-07-17. Translated 2026-10-31 with AI assistance. Historical figures and claims have not been updated or independently verified. 中文原文
Reading guide
Robin begins with the idea that people remember only number one. In the internet era, being first means monopoly, with neither oligopoly nor perfect competition. If a giant already occupies a position, create a new market through a better category: Facebook dominates social networking, while Twitter and Instagram carved out text- and image-based markets. PayPal, Square, and Stripe provide similar examples. He adds that a niche monopoly is sensible, but becoming number one on a particular road or in a particular building is meaningless if the market is too small. VCs still assess market size and growth potential.
Key points
- In the internet era, number one often represents a monopoly.
- A well-defined category can create an entirely new market.
- Defining a market too narrowly makes it too small to matter.
- VCs still assess market size, growth trends, and potential.

Full text — English translation
These articles are personal notes, book excerpts, and collected reprints. Figures and events reflect the time of the original publication, are not current information, and do not constitute investment advice.
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