Writing

Thinking in Public

Essays on AI, product design, systems, and the future of human-computer interaction.

AI Is Optimizing the Wrong Half of Work

Why the next opportunity in AI product design isn't better execution—but helping people become ready to make better decisions.

Mingcheng Guo · Jul 10, 2026

Rethinking Figma in the Age of AI

A perspective on AI-native design workflows, product strategy, and why Config 2026 left me thinking more about the future than the features.

Mingcheng Guo · Jun 12, 2026

When Software Starts Behaving, What We Design Changes

As software starts behaving, interface design is no longer the whole design problem. A reflection on why AI is changing what UX designers spend their time designing.

Mingcheng Guo · Apr 10, 2026