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The Prodinja Blog

Page 25 of 26 — deep-dive frameworks, honest analysis, and actionable playbooks for product managers.

Prioritization••8 min read

Sunk Cost Fallacy in Product: How to Walk Away from Bad Bets

You've invested 6 months. It's not working. Here's how to make the hardest product decision: stop.

#sunk-cost#psychology#decision-making
Prioritization••7 min read

Platform vs. Feature Investment: The Allocation Framework

Every sprint spent on platform capabilities is a sprint not spent on user features. Find the right ratio.

#platform#features#allocation
Prioritization••9 min read

How to Facilitate a Prioritization Meeting That Doesn't Devolve Into Chaos

Prioritization meetings either produce clarity or produce resentment. Here's how to get the former.

#facilitation#meetings#alignment
Prd writing••10 min read

PRD Writing Masterclass: Specifications for the AI Era

The definitive guide to writing product requirements documents in 2026 — covering deterministic features, AI specifications, and the Living PRD concept.

#prd#specification#ai
Prd writing••13 min read

The Living PRD: Why Your Specs Are Fiction by Day 30 (And How to Fix It)

The PRD was perfect on Day 1. By Day 30, engineering is building something different. Here's the solution.

#living-prd#drift#versioning
Prd writing••7 min read

Writing PRDs for AI Features: A Template That Engineering Won't Hate

AI features need probabilistic acceptance criteria, fallback behaviors, and eval plans. Traditional PRDs don't cover this.

#ai-prd#template#specification
Prd writing••14 min read

Probabilistic Acceptance Criteria: Specifying Non-Deterministic AI Behavior

'The AI should give good recommendations' isn't an acceptance criterion. Here's what is.

#acceptance-criteria#probabilistic#ai
Prd writing••14 min read

PRD Ambiguity Scoring: Predicting Engineering Questions Before They Ask

Every ambiguous sentence in your PRD will cost engineering 30 minutes of clarification. Score it first.

#ambiguity#clarity#engineering
Prd writing••14 min read

Systematic Edge Case Discovery: Finding the Scenarios You Haven't Considered

The bugs that ship are the edge cases nobody thought of. Here's a systematic approach to finding them.

#edge-cases#discovery#systematic
Prd writing••14 min read

User Story Decomposition in the AI Era: Beyond 'As a User, I Want…'

'As a user, I want AI recommendations' is not a user story. Here's how to decompose it properly.

#user-stories#decomposition#jtbd
Prd writing••13 min read

API Specification for PMs: What You Need to Know (And What You Don't)

You don't need to write the API spec. You need to specify the contract. Here's the difference.

#api#specification#technical
Prd writing••14 min read

PRD Version Control: Changelogs That Keep Stakeholders Informed

Stakeholders don't read full PRDs. They read changelogs. Make yours count.

#version-control#changelog#communication
Prd writing••14 min read

Failure Mode Analysis for Product Managers: The FMEA Approach

Engineers know FMEA. PMs should too. Here's how to apply it to product specifications.

#fmea#failure-analysis#risk
Prd writing••14 min read

Writing for Engineers: How PMs Can Create Specs That Get Read

The problem isn't that engineers don't read your specs. It's that your specs aren't written for engineers.

#writing#engineers#documentation
Prd writing••14 min read

Scope Documents vs. PRDs: When to Use Which

Not every feature needs a PRD. Some need a one-page scope document. Know the difference.

#scope#documents#lightweight
Prd writing••14 min read

Non-Functional Requirements: The PM's Most Overlooked Spec Area

Your PRD covers what the feature does. Does it cover how fast, how many, and what happens when it breaks?

#non-functional#performance#scalability
Prd writing••14 min read

Collaborating With Design: The PM's Role in Design Systems and UI Specs

PMs don't design pixels. PMs design interactions, constraints, and edge cases. Here's the boundary.

#design#collaboration#ui
Prd writing••15 min read

The Release Readiness Checklist: How to Know You're Actually Ready to Ship

'Is it ready?' is a harder question than it appears. Here's a checklist that removes the guesswork.

#release#checklist#launch
Prd writing••14 min read

PRD Retrospectives: Using Shipped Features to Write Better Specs Next Time

The best way to improve your next PRD is to audit what went wrong with your last one.

#retrospective#improvement#learning
Prd writing••3 min read

Specifying Technical Constraints Without Dictating Architecture

PMs define constraints. Engineers choose solutions. Here's how to walk the line without overstepping.

#technical#constraints#architecture
Prd writing••3 min read

Specifying for Localization: The PM's i18n Pre-Flight Checklist

'We'll add i18n later' is the most expensive sentence in product development.

#i18n#localization#international
Prd writing••3 min read

Writing Security Requirements Into Your PRD (Before InfoSec Asks)

Security review shouldn't happen at the end. Here's how to embed it from the first draft.

#security#requirements#compliance
Prd writing••3 min read

Accessibility in Product Specs: Building for Everyone From Day 1

Accessibility is not a 'nice to have' feature. It's a baseline requirement. Here's how to specify it.

#accessibility#a11y#wcag
Prd writing••3 min read

Hypothesis-Driven PRDs: Treating Features as Experiments

Every feature is a hypothesis. Your PRD should define what you're testing and what success looks like.

#hypothesis#experiments#lean