Independent notes by Joey Zhao

AI agents
product design and shipping

I don’t write “design matters.” I take apart a shipped interface, a fast-food chair, a failed AI generation — and show what I saw, what I traded off, and which conclusions still can’t be drawn.

AI Agent UXAI Product DesignUX Case StudiesDesign Observations

Latest writing

01Neon Dream cover showing a blue-violet city after rain

How I Made Neon Dream with AI

Starting with a future city after rain, I trace the sound direction, Suno generation, arrangement choices, AI cover, and full replay after its NetEase release.

AI music
10 min read
02Silk Circuit cover combining a moon gate, silk, and circuitry

Wiring Eastern Sounds into Silk Circuit

What remains when guqin, guzheng, and xiao pass through synthesizers and electronic rhythm. A 3:19 experiment in Eastern futurism.

AI music
11 min read
03Counterclockwise flow layout inside a 7-Eleven convenience store

How a 30㎡ 7-Eleven Gets You to Buy Three Extra Things

North America is searching about store closures while Japan spends ¥300 billion remodeling. Counterclockwise flow, the golden triangle, 1.5-meter shelves, the checkout zone — viral numbers re-checked.

Retail flow
11 min read
04Four persuasion mechanisms designed into a Starbucks paper cup

How a Starbucks Cup Convinces You the Price Is Fine

Bearista cups sold out again. Tapered shape, haptic signals, handwritten names, the green permission slip — a perceived-value system you hold in your hand, fact-checked.

Perceived value
10 min read
05Windowless, clockless casino gaming floor

No Clocks, No Windows: What Is a Casino’s Design Actually Computing?

Four retention tricks — the time vacuum, the ugly carpet, the near-miss, and chip demonetization — and which scary-sounding numbers I deleted this time around.

Spatial psychology
12 min read
06IKEA showroom with a one-way guided path

Why Can’t You Leave IKEA?

One-way layout, showroom context, the peak-end rule — all real. But the “three times longer” and “40% higher value perception” claims? I re-checked them.

Retail flow
11 min read
07Apple Store glass wall replacing a door

Where Did the Apple Store’s Door Go?

Apple swapped the door for a glass wall and crushed threshold resistance to near zero. Taking apart its entrance, vitrine, and spatial gradient — and what to steal for digital products.

Retail space
11 min read
08香港麦当劳内多种高度与材质的座椅

What Is McDonald’s Seating Actually Optimizing For?

Using store photos from Hong Kong, Macau, Munich, and Budapest to test what the popular “hard chairs kick you out” story actually leaves out.

Photo analysis
11 min read
09Finfold content operations dashboard

One Brief, Fourteen Platforms

How I researched the workflow, moved beyond chat, designed honest AI failure, and took Finfold into a real public room.

Build in public
12 min read
10后墙设有镜面的无障碍电梯概念示意

The Mirror in the Elevator Isn’t Mainly for Checking Your Face

Starting from an aging office tower in Shenzhen, I check four explanations one by one — waiting psychology, sense of space, rear-view safety, and reversing a wheelchair.

Inclusive design
10 min read
11Signals recommended materials folder

A Product Designer Portfolio Is a Chain of Evidence

Signals, UnifyUX, and Finfold show what a strong UX case study needs to prove about problems, trade-offs, failure, and outcomes.

UX case study
11 min read