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42 ZHANGJING · EPISODE COLLECTION

42 Zhangjing · Episode notes

Find the mechanisms, cases and conditions in each episode. Start with a topic, follow a guest, or read chronologically to see how perspectives change.

Dates refer to original episode releases. An episode may have multiple topics; roles and claims retain their historical context.

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· 79:21 · ZH + EN

Three Routes to AI Product Fit: Help Beginners Finish, Professionals Refine, and Fans Return

Guests / narrator:赵充 / Joe / 胡修涵

Product–market fit, or PMF, means that a group of people repeatedly finds a product worth using or paying for. These three interviews show why no single number proves it for every business. An occasional office tool can first demonstrate that individual tasks merit payment. Professional software needs to participate in real delivery. A character entertainment product must explain why people return.

AI companionshipGrowth & global marketsAI productsRead analysis →