What makes differentiation durable?

Durability comes from a system of reinforcing choices, assets, and incentives that a competitor cannot copy one piece at a time.

Should a startup compete in a large market?

Market size matters only after identifying a narrow entry position where the startup can become meaningfully better for a specific customer.

Decision playbook

Research for choosing where to compete, building an advantage, and avoiding markets where every gain is copied away.

Connect positioning, power, customer trade-offs, and company cases into a defensible competitive strategy.

Frameworks

Map industry pressure before choosing a position.

Mental models

Make a position coherent by deciding what not to optimize.

Businesses

Compare advantages built from mutually reinforcing choices.

People

Study operators who built categories and protected focus.

What makes differentiation durable?: Durability comes from a system of reinforcing choices, assets, and incentives that a competitor cannot copy one piece at a time.
Should a startup compete in a large market?: Market size matters only after identifying a narrow entry position where the startup can become meaningfully better for a specific customer.