Intermediate product
A/B Testing
A/B testing splits traffic between two variants to measure which performs better. A guide to running valid experiments with statistical significance.
#product
55 results
Glossary
Intermediate ai
Agentic Workflow
A multi-step AI process where a model autonomously plans, uses tools, and executes tasks without human input at each step.
Beginner ai
AI Agent
An AI agent is a system that uses an LLM to autonomously plan, make decisions, use tools, and take actions to complete a goal.
Beginner ai
AI Hallucination
When an AI model generates confident-sounding but factually incorrect or fabricated information.
Intermediate metrics
Activation Rate
The % of new users who reach your product's core value moment within a defined window. The most predictive early-stage metric for long-term retention.
Beginner ai
AI Wrapper
An AI wrapper is a product built on top of a foundation model API with a custom UI, workflow, or niche focus, rather than novel AI model development.
Intermediate metrics
Cohort Analysis
A method of grouping users by a shared trait—typically signup date—and tracking their behavior over time to reveal retention trends.
Intermediate product
Feature Flag
A feature flag is a code switch that enables or disables a feature at runtime without deploying new code, enabling safer releases and gradual rollouts.
Beginner strategy
Freemium
A model offering a permanent free tier alongside paid plans. Works when the marginal cost per free user is low and the upgrade trigger is clear and natural.
Beginner metrics
KPI
Key Performance Indicator - a measurable value that shows how effectively a company is achieving its key business objectives.
Intermediate strategy
Competitive Moat
A competitive moat is a durable advantage that protects a startup's market position from competitors. Network effects and switching costs are the strongest.
Beginner ai
Multimodal AI
AI models that can process and generate multiple types of data - text, images, audio, and video - within a single system.
Beginner product
MVP - Minimum Viable Product
An MVP is the simplest version of a product that allows a startup to test its core value hypothesis with real users and gather validated learning.
Intermediate metrics
North Star Metric
The North Star Metric is the single number that best captures the core value a product delivers to customers and predicts long-term sustainable growth.
Beginner strategy
Pivot
A structured course correction that changes a startup's strategy while preserving validated learning from prior experiments.
Intermediate growth
Product-Led Growth (PLG)
Product-led growth is a go-to-market strategy where the product itself drives user acquisition, conversion, and retention without a traditional sales team.
Beginner ai
Prompt Engineering
Prompt engineering is the practice of crafting LLM inputs to reliably produce accurate, useful, and correctly formatted outputs for a given task.
Intermediate engineering
Technical Debt
The implied cost of future rework created when a team chooses a faster, easier solution today instead of a better long-term approach.
Beginner ai
Vertical AI
Vertical AI is an AI product built for a specific industry or workflow, combining foundation model capabilities with deep domain expertise and proprietary data.
Intermediate growth
Viral Coefficient
Also called K-factor: the average number of new users each existing user generates. K above 1 means exponential viral growth; below 1 is partial amplification.
Beginner business-model
XaaS
Everything as a Service - the delivery model where any product or capability is offered via subscription over the internet instead of as a one-time purchase.
Guides
Intermediate product
13 min How to Build a Startup Product Roadmap
Learn how to build a product roadmap that drives alignment without stifling adaptability - from prioritization to stakeholder communication.
Beginner product
14 min How to Build Your First MVP
A practical guide to building your first MVP - how to scope it correctly, what to cut, and how to launch in a way that generates real, actionable learning.
Intermediate ai
10 min AI for Customer Support
How to build an AI-powered customer support system that deflects 60-80% of tickets while keeping CSAT high.
Beginner validation
13 min How to Run Customer Discovery Interviews
A step-by-step guide to running customer discovery interviews - who to recruit, what to ask, and how to turn raw conversations into actionable insight.
Intermediate ai
12 min How to Build an AI Startup
A practical guide to building AI-native companies: from defining your AI edge to raising capital and scaling your model stack.
Advanced ai
14 min How to Build a RAG Pipeline
A step-by-step guide to building a Retrieval-Augmented Generation system: chunking, embeddings, vector databases, retrieval, and evaluation.
Intermediate ai
11 min How to Choose the Right AI Model
How to pick between GPT-4o, Claude 3.5, Gemini, Llama 3, and Mistral: a decision framework covering cost, context, and task performance.
Intermediate ai
10 min How to Evaluate AI Tools
A framework for selecting AI tools and APIs for your startup stack: benchmarking, cost estimation, vendor risk, and running a time-boxed POC.
Intermediate growth
13 min How to Run Growth Experiments at Your Startup
Learn how to design, prioritize, and run growth experiments at your startup using the ICE framework, experiment logs, and disciplined test design.
Beginner product
12 min How to Set Up Analytics for Your Startup
Set up a three-layer analytics stack for your startup - product, revenue, and marketing analytics - and avoid the data traps that waste founder time.
Beginner product
7 min Sprint Planning for Startups
How to run sprint planning in a small startup team—lean, fast, and without the ceremony that makes Scrum feel like a second job.
Intermediate product
14 min How to Design SaaS User Onboarding
A practical guide to designing SaaS onboarding that activates users fast, reduces churn, and maximizes the ROI of every signup you earn.
Intermediate product
9 min How to Write a PRD
Learn how to write a Product Requirements Document that drives alignment without becoming a bureaucratic burden—with a lean template and real examples.
Beginner product
7 min How to Write Good User Stories
Learn how to write clear, actionable user stories using the As a / I want / So that format, with acceptance criteria and real examples for product teams.
Concepts
Beginner methodology
Agile Development for Startups
An iterative software development approach built on the 2001 Agile Manifesto, favoring working software over rigid planning.
Intermediate ai
AI-First Product Design
A design philosophy that puts AI at the center of the product experience - and the principles that make AI-first products trustworthy and reliable.
Intermediate ai
AI-Native Startup
A startup built from the ground up with AI as the core product architecture - not a traditional product with AI features added on top.
Intermediate ai
AI Product-Market Fit
How product-market fit signals differ for AI products - and why the awe of early demos often masks the absence of real retention.
Beginner methodology
Design Thinking
A human-centered, iterative problem-solving process with five stages: Empathize, Define, Ideate, Prototype, and Test.
Intermediate growth
Growth Loops
Growth loops are self-reinforcing systems where each cycle's output becomes the next cycle's input, generating compounding rather than linear growth.
Intermediate ai
Human-in-the-Loop
A design pattern where humans review or approve AI decisions at critical points - balancing automation benefits with accuracy and accountability.
Intermediate methodology
Innovation Accounting
Eric Ries' framework for measuring startup progress using leading indicators when traditional revenue metrics are too early to be meaningful.
Intermediate framework
Kano Model
A framework for categorizing product features by how they affect customer satisfaction - from basic must-haves to unexpected delighters.
Beginner methodology
The Lean Startup
The Lean Startup is a methodology for building products under extreme uncertainty, centered on validated learning and the Build-Measure-Learn feedback loop.
Intermediate product
Minimum Loveable Product (MLP)
An MLP is the minimum version of a product a user could genuinely love - not just tolerate - balancing learning speed with first impressions.
Beginner framework
Pirate Metrics (AARRR Framework)
The AARRR framework breaks startup growth into five measurable stages: Acquisition, Activation, Retention, Revenue, and Referral.
Intermediate framework
RICE Framework
A scoring model for product prioritization using four variables: Reach, Impact, Confidence, and Effort.
Intermediate framework
Technology Adoption Lifecycle
The Technology Adoption Lifecycle describes how new technologies spread through a market across five adopter segments, from innovators to laggards.
Beginner framework
Value Proposition Canvas
A two-sided tool that maps your product's features to real customer jobs, pains, and gains - ensuring you build what customers actually need.
Articles
Intermediate ai
10 min AI Startup Metrics
The key metrics founders should track for AI products - from AI-specific signals to standard SaaS metrics adapted for AI economics.
Intermediate ai
10 min Build vs Buy AI for Startups
When to build custom AI vs buy an off-the-shelf solution - a practical framework for AI infrastructure decisions at each startup stage.
Intermediate strategy
15 min From Idea to Product-Market Fit
Everyone says 'find PMF' - almost no one explains how. This is the five-stage roadmap from idea to genuine product-market fit, with signals at each step.
Intermediate strategy
12 min The Rise of Micro-SaaS
Micro-SaaS proves you don't need to raise millions or hire a team to build a valuable software business. Here's why the model works.
Intermediate ai
10 min Why AI Wrappers Fail
Most AI wrapper startups fail within 18 months. Here's the structural reason - and the few ways to build defensibility on top of a foundation model.