THE PRODUCT EVOLUTION HANDBOOK

Everything You Need to Know About Product Evolution.

Nine research pages covering the complete theory and practice of continuous product improvement — from first principles to the tools that make it work. Read in order or jump to what matters most.

9 Articles

90+ min total read

Updated July 2026

FOUNDATION

Start here if you’re new to product evolution

Why Shipping Software Is No Longer The Hard Part

The fundamental shift that makes continuous improvement the new competitive advantage.

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Build → Launch → Evolve

The three-stage framework every software team needs after their first launch.

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Why Products Stop Improving

The structural reasons improvement stalls — and the patterns that predict it.

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ANALYSIS

How teams see — and miss — what needs improving

From Analytics to Product Improvements

Why great data alone doesn't close the gap between insight and shipped improvement.

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AI Apps Need Continuous Maintenance

What makes AI-powered software different to maintain — and what happens when you don't.

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Product Friction Explained

What friction actually is, how it compounds, and why most teams fix the wrong kind.

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TERO

How Tero approaches the problem

How Tero Thinks About Product Evolution

The complete philosophy and pipeline behind how Tero continuously improves shipped software.

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Tero vs. The Tools You Already Use

How Bolt, Cursor, Sentry, and PostHog fit the product lifecycle — and where Tero goes further.

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Case Studies

Real examples of continuous improvement in practice. Coming once we have customers.

Coming Soon

REFERENCE

The Product Evolution FAQ

Every question about Tero and continuous improvement — answered and organized by topic.

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