How to Master Design Logic Across Product Lifecycles: A 58 Yellow Pages Case Study
This article explores the internal design logic and systematic framework that drive product development, using the 58 Yellow Pages redesign as a case study to illustrate how AI, user research, iterative testing, and strategic thinking guide each stage from problem discovery to final implementation.
Design Logic and System
Design thinking and logic form an internal system for designers, providing the framework to solve problems. Like a horse that runs or a bird that flies, the external presentation is supported by this internal system.
AI Enhances Design Efficiency
With AI innovation, designers can focus more on the logic and reasoning behind design, producing more accurate strategies and becoming observers of design.
Project Background
The case study is based on the Yellow Pages core business of 58.com, a local service platform where merchants publish information and users call.
Problem Identification
Online merchants upload low‑quality large posters, causing chaotic product sorting and ads that hinder users from finding services, leading to potential churn.
Design Process Overview
The redesign went through three typical stages, applying a systematic design logic: discovery, analysis, and implementation.
Where‑Why‑How Framework
Where: Low conversion on the integrated search page.
Why: (1) Information shown does not match user expectations; (2) Search results are inaccurate.
How: Verify search result accuracy and optimize information validation for positive impact.
Non‑Linear Design Workflow
Design is non‑linear; small low‑cost experiments are run, failures are learned from, and insights deepen user understanding to shape better strategies.
Key Tips from the Project
Break existing habits and return to first principles.
Avoid getting trapped in endless detail; create “trash drafts” to keep perspective.
Learn to abandon ideas that hinder new creativity.
Set checkpoints to stop endless brainstorming and guide decisions.
Design Asset Consolidation
Prototypes become the starting point for testing, and a vertical research canvas was created to reduce information loss and communication cost.
Insights
Design logic is the core of a designer’s thinking; flexibility and a global view are essential for handling complex scenarios.
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