👋 Welcome to Hance Zhang’s Blog

I write about learnings in leadership, AI, product building, and investment. I’m currently based in Tokyo, DM me via X!

Domesticated by Technology

Efficiency gains don’t create leisure because technology is selecting what kind of humans survive

 · 11 min

Stop Debating, Build the Experiment Machine

Product development in the AI era isn’t about building better products—it’s about building better assembly lines

 · 10 min

Mimetic Desire and the Performance of Contrarianism

In the AI gold rush, ‘being contrarian’ has become its own consensus; the real move is choosing the life that fits you.

 · 3 min

GPT-5 Is the Watershed: From 'Model Will Absorb Everything' to 'Environment Is What Matters'

The model and product layers in the AI industry are more clearly separated than ever.

 · 7 min

Compute Is the New Leverage (and Probably the Best One)

Rich concensus is no longer necessary as compute outperforms labor as a leverage

 · 7 min

Bitter Lesson, End-to-end Coding, Creator Economy

The Bitter Lesson is true for research, but product development requires working with the model’s grain, not against it.

 · 8 min

Why Growth Hacking and A/B testing is Bullshit Before PMF

Forget growth hacks before PMF; your first, unscalable mission is to craft a ‘10-star’ user experience that people truly love and rave about

 · 5 min

From 'I Think' to 'I Tried': Building an Experiment-Centric Team Culture with AI

We’ve all been in those meetings: discussing a new idea, an innovative project, and then getting bogged down in endless debate. Everyone speaks with conviction, citing classics (or perhaps just an article they saw yesterday), but the discussion seems to go in circles, often ending inconclusively or with the decision made by the loudest voice, the highest-ranking person, or the most stubborn. Why does this happen? Especially in the realm of innovation?...

 · 8 min

The Scorecard Fallacy: How Promotion Decisions Are Really Made

Your stellar performance review isn’t the key to promotion; the real secret lies in understanding the humans making the decision.

 · 5 min

Corporates Hire by Abundance, Not by Necessity

Big-tech hiring is driven by excess, not necessity.

 · 3 min