Entrepreneurship & Strategy

Who Is Your Real Customer? Focus, Make Trade-Offs, and Conduct In-Depth Interviews Before Building

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An external account of the “godfather of semiconductors” discussing customers (original interview not linked), plus Robin’s commentary

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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 2021-10-27. Translated 2026-10-31 with AI assistance. Historical figures and claims have not been updated or independently verified. 中文原文

Reading guide

The opening account says TSMC’s business model is determined by who its customers are: other semiconductor companies. It emphasizes technical support rather than personal connections. Robin then asks: who is your real customer? An early-stage startup must focus and make trade-offs; it cannot build a platform for everyone. Before rushing to build, understand target customers through in-depth interviews, confirm demand, then create an MVP, validate it, and iterate quickly. There is little need to rush to investors beforehand: they will ask about interviews and data, and do not want a CEO operating on instinct alone.

Key points

  • A business model is determined by who the customer is, rather than what the product is.
  • Focus and make trade-offs early: choose one ladleful from a vast river.
  • Interview deeply to confirm demand, then build an MVP, validate, and iterate.
  • Investors expect interviews and data, rather than a CEO relying on instinct alone.
One clear path continues into the distance among several branching routes, suggesting choice and focus.
Entrepreneurship & strategyThematic illustration · AI generated

Full text — English translation

As expected, when the godfather of semiconductors talks about “customers,” the response is different. Many people do not understand TSMC’s business model. A business model is determined by “who the customer is,” not “what the product is.” TSMC’s model is semiconductor manufacturing services; its customers are “other semiconductor companies,” all in European and American markets. They want genuine technical support and progress. Business is not about personal connections or saving face, so one of his most frequent activities is visiting customers across Europe and America. --- Robin: “Who is your real customer?” First, make trade-offs and focus. Remember: from a vast river, take just one ladleful. You cannot try to build a product that satisfies everyone at the start of a business, or attempt to create an all-encompassing platform when you have no resources. Next, spend time understanding your customers. Before you thoroughly understand your target customers, do not rush headlong into building. Conduct in-depth interviews with them first to confirm demand. (Of course, starting with your own needs provides a niche entry point; I have mentioned that many times on Facebook.) Interview customers, confirm demand, build an MVP, put it in customers’ hands to validate it and gather feedback, then iterate quickly. Before taking those steps, do not spend too much time looking for investors. They will ask what demand interviews you have conducted, what feedback and validation you have obtained, and what data you have collected. Investors do not want a CEO who acts on instinct alone. Investors will ask to see the back-end data directly and request customer interviews.

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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