User experience
Reconstruct what the user saw and did before judging how design shaped attention and action.
1 published · 4 analysis lenses
Independent Product Notes
Start with real use.
Question the choices behind the product.
I study real products to build judgment across users, business, and systems. These notes document what happened on the screen—and keep asking why the mechanism works that way.
Latest teardown
LATEST NOTE · 0101Latest Note
QUICK COMMERCE · LAUNCH FLOW · SUBSIDY STRATEGY
Why Does Taobao Instant Commerce Show a Coupon Before the Home Screen?
A product teardown of attention, conversion, subsidy allocation, frequency control, and marketplace strategy
2026-07-17 · 18 min readAll teardowns
1 PUBLISHEDAnalysis method
04 / LENSESBusiness strategy
Ask which objective a product choice serves and how short-term growth trades off against long-term positioning.
Data validation
Turn intuition into a testable question, measure incrementality, and define the necessary guardrails.
Multi-sided value
Look across users, merchants, platforms, and fulfillment to see how benefits and pressure are distributed.