Product & AI Blog
Notes on building AI products, making trade-offs, and deciding what comes next.
60 articles
A/B Testing for Product Managers: Getting a Result You Can Trust
How product managers should plan an A/B test: one hypothesis, a primary metric, guardrails, enough sample size, a fixed duration and an honest read of the result.
4 min read · Metrics & Analytics
How to Cut MVP Scope Without Cutting the Point of It
Practical ways to reduce MVP scope when time runs short: protect the core learning, cut breadth before depth, fake the back office and write down what you dropped.
4 min read · Prioritization, Discovery & Research
LLM Guardrails as Product Requirements: Deciding What the Model Must Not Do
Turn AI safety concerns into product requirements: listing what the model must refuse, where checks run, prompt injection, and how to test guardrails.
4 min read · AI & LLMs
Subscription Churn Analysis: Finding Out Why People Actually Leave
How to analyse subscription churn: voluntary vs involuntary, cohort timing, leading signals before cancellation and what to do with cancellation survey answers.
4 min read · Growth & Monetization, Metrics & Analytics
Jobs to Be Done: A Practical Example Without the Jargon
A plain-language jobs-to-be-done example from streaming and B2B software: writing job statements, finding competing alternatives and using JTBD in planning.
4 min read · Discovery & Research
API Partnership Strategy: Evaluating a Third-Party Integration Before You Sign
How to evaluate an API partner before integrating: data quality, commercial terms, technical fit, support and the cost of maintaining the integration later.
4 min read · Strategy & Roadmaps
Feature Flag Rollout Strategy: Shipping to Some Users Before All of Them
How product teams use feature flags for staged rollouts: choosing the first audience, rollout stages, what to watch, kill switches and cleaning up old flags.
4 min read · Execution & Delivery
AI Agent or Workflow? Choosing How Much Freedom to Give the Model
When to build a fixed LLM workflow and when an autonomous agent makes sense, judged by predictability, cost, debugging and what happens when a step fails.
4 min read · AI & LLMs
Free Trial Design for Subscription Apps: Length, Card Upfront and What Happens After
Product decisions in a subscription free trial: trial length, card required or not, what users do in week one, reminder emails and fair cancellation.
4 min read · Growth & Monetization
User Interview Questions That Get Past Polite Answers
Product discovery interview questions that focus on past behaviour, avoid leading the user, and get honest answers, plus questions I've stopped asking.
4 min read · Discovery & Research
Voice Agent to Human Handoff: Designing the Escalation Path
When and how a conversational voice agent should hand over to a person: escalation triggers, passing context, what the caller hears and how to measure it.
4 min read · AI & LLMs
How Product Managers Should Prioritize Technical Debt
A product manager's approach to technical debt: understanding what it costs the team, making it visible on the roadmap and deciding how much capacity to reserve.
4 min read · Prioritization, Execution & Delivery