KNOWLEDGE NOTES

Knowledge Notes

Explore curated knowledge, course notes and methods, with their existing content and sources preserved.

This index lists complete English editions. Additional Chinese notes and bilingual updates remain available in the Chinese index.

350knowledge notes
AI Product Practice / 42 Zhangjing · Episode notes

Software Value Lives in the Distance Between User Intent and Results

Listen: 08:45–16:39. The team first avoided a crowded general-agent market by choosing vertical agents, then sourcing: finding creators, candidates, experts, or customers. All involve finding people and seem to share search capabilities. But that starting point answered how to avoid competitors before identifying a payer’s most important task.

42 ZhangjingEpisode analysisAI Product PracticeEnglish edition
AI Product Practice / 42 Zhangjing · Episode notes

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

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.

42 ZhangjingEpisode analysisAI Product PracticeAI CompanionshipEnglish edition
AI Product Practice / 42 Zhangjing · Episode notes

Three Years Later, How Does Conviction Change? Zhang on Problems, Action and Agent Responsibility

The introduction uses the listings of 智谱 and MiniMax as a three-year milestone, inviting the podcast’s first guest to review AI again. Investment outcomes and market descriptions remain contemporary perspectives. A listing cannot alone validate products, returns or every early hypothesis.

42 ZhangjingEpisode analysisAI Product PracticeEnglish edition
AI Product Practice / 42 Zhangjing · Episode notes

Wanaka’s Social Games: Give Friends Something to Play Before Building a New Network

Once AI writes code, can small games be consumed in a scrolling video-like feed? Zhang’s team explored that direction, then chose deeper creation tools and play among friends. Ordinary generated material may offer strangers limited value, while friendship supplies a shared reason to care.

42 ZhangjingEpisode analysisAI Product PracticeAI CompanionshipEnglish edition