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The journal

Product notes for people who build.

Practical essays on product strategy, discovery, development, technology, and the work of turning ideas into useful products.

133

Measurement & Growth

8 min read

Guardrail Metrics for Product Decisions

Choose counter-metrics, monitoring horizons, thresholds, diagnostics, and stop conditions before a local product win can conceal wider harm.

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130

Measurement & Growth

9 min read

When Product Research and Analytics Disagree

Diagnose conflicts between research and behavioural analytics by checking population, exposure, units, time and constructs before choosing a follow-up.

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113

Design & Delivery

11 min read

Micro-Interactions: Design the State Change

Design micro-interactions as honest state transitions with clear feedback, accessible status, safe recovery, and performance that survives real conditions.

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