Y Combinator

Add a Zero (10x First-Principles Reframing)

Force a 10x version of the goal so the team must rethink the problem from first principles, not optimize the current process.

Best-Idea-Wins Culture: Speak Up, Then Commit

Engineer a culture where the junior person's idea can win — then walk the chosen path decisively.

Strategy3 steps

Bet on the Founders, Not the Idea

At the seed stage the idea will change, so fund the people who will make something work no matter what.

Influence5 steps

Building Your Own Social Radar

Turn people-reading from a mystery gift into a deliberate practice: checklist, conscious questions, and follow-up calibration.

Build in Private (Best Work Is Done Alone and Quietly)

Skip the public-building playbook and pour your limited time into customers and product instead.

Build With, Not For: The Product Lab Cohort

Stand up a permanent invite-only user cohort so no fundamental change ever ships cold.

Champions at Scale: Manual-to-Machine Word-of-Mouth Engine

Over-invest by hand in early product champions, learn their patterns, then productize those patterns into scalable content.

Cohort-Gated Private Beta

Onboard early users in small waves so each cohort surfaces new bugs instead of duplicating the last cohort's feedback.

Productivity4 steps

Commit Only to Dates Within Your Control

Roadmap the phase, not the feature: Discovery, then Solutioning, then Build, then a ship date.

Competitive Wargaming

Assign each squad one competitor for a quarter, then pool the intel on a presentation day.

Concierge Manual Onboarding

Hand-onboard every early user one-to-one to manufacture superfans and dodge premature self-service engineering

Context and Outcome over Pain and Gain

Study the context that makes the irrational rational, not just the pain to be relieved.

Context Loading (Additional Information)

Front-load all relevant task information — and put it at the top for caching

Conversation as Ping-Pong (Give-to-Get)

Index toward asking questions, but hit the ball back and forth instead of interrogating or monologuing.

Copy Comps' Zero-to-One, Not Their Growth Hacking

Ignore late-stage growth tactics with no users — study what your archetype did to get its first 1,000

Credits-for-Sharing Loop

Pay users in product credits to publicly share what they built — turn usage into free distribution.

Deal Speed and Default Optimism

Codify the values you already have, not the ones you wish you had.

Design as Category-Crowding Leverage

The more crowded and mature a category, the more design and brand become the deciding differentiator.

Discover Pain by Watching, Not Asking

Find the real intensity of a problem by watching people work, because they can't self-report it

Communication7 steps

Discovery by Silence

Stop pitching, ask an open question about their whole life, then say nothing until the roadmap falls out

Mindset4 steps

Don't Stop Until You Reach the End

Distrust expert answers and drive every problem to ground-truth yourself

Influence3 steps

Dress to Signal Effort, Not Expense

Fit beats brand, dress one level up, and ask when you don't know the code.

Earn the Secret by Savoring Surprises

There's no recipe for a breakthrough — hunt surprises at the edge instead of validation

Elevate a Profession, Not a Category

Instead of creating a software category, make a job into a meaningful identity people will fight for.

Ensembling (Mixture of Reasoning Experts)

Solve the same problem several ways and take the most common answer

Mindset4 steps

Fear Gives Bad Advice (The Prediction Bet)

When gripped by fear, do the opposite of your gut — and use a bet to prove it to yourself

Few-Shot Prompting

Show the model examples of what good looks like instead of describing it

First-Principles Re-Derivation (Rerun the Decision Tree)

Rebuild any product decision from today's building blocks instead of copying path-dependent solutions.

Force a Choice, Not a Comparison

Be the world's first banana, not a 10x better apple

Founder-in-the-Details Operating Model

Rebuild a company like a startup: functional teams, one road map, one shared consciousness, CEO in the work.

Entrepreneurship5 steps

Four Paths Into Product Management

Two formal and two informal routes into PM — the informal ones convert most often.

Game Design, Not Gamification (Build Toys, Then Games)

Make software fun by designing real toys that reward playful exploration — not by bolting on points and badges

Peak Performance3 steps

Genius-Zone Time Budget

Spend at least 50% of your time on the work you're both great at and love — it's what keeps you showing up.

Strategy6 steps

Go-Go-Go Plus Long-Term Compounding

Sprint to a proof of existence today; slow down to build the thing you will never regret owning

Group Office Hours Accountability Loop

Peer accountability plus a two-week goal cadence that makes lonely founders execute

Hire Founders (Eyes Open to the Costs)

Recruit ex-founders for outsized output and truth-telling, budgeting for high attrition

Hire People Bigger Than Their Title

Build a small team of high-caliber people who each own more scope than their role, and screen for it with a paid work trial.

Hire the People That People Pick

Win great hires over months by adding value first, long before there's a role

Humor as a Calibrated Mastery Signal

A joke landed right up the line proves you own the room; keep a ranked joke file to do it on demand.

Identify–Invent–Implement Naming Process

The three-phase discipline Lexicon uses to engineer names, not just brainstorm them.

Information-Diet Idea Divergence

Same inputs produce same ideas — mine your unique experience and starve the herd feed

Innovate Inside a Big Company as a Separate C-Corp

Spin new products into their own C-Corp with a founder-type lead reporting to the CEO, bypassing core-code review

Laughably Small MVP Under High Stakes

Ship the smallest possible thing even for high-stakes problems — it delivers impact and reveals what to actually build.

Leap-of-Faith MVP Scoping

Scope the smallest build that tests your riskiest assumption, not a stripped-down product

Leadership6 steps

Little Hands Growth Hiring

Hire on the KPI they'll commit to and their willingness to do the tiniest job.

Live in the Future and Notice What's Missing

Don't try to think of a startup idea — get out of the present so ideas find you

LLM-Optimized Codebase Architecture

Structure your repo so the AI writes the least code possible — infrastructure absorbs the complexity.

Long-Tail Paid Diversification

After the big four ad platforms, buy the dozens of small ones nobody bothers to set up.

Lower the Courage Required

The scarcest resource is courage, not genius — so design products and decisions to need less of it.

Strategy3 steps

Magic and Science Decision-Making

Replace A/B tests and metric goals with deep shared customer understanding, then decide by informed intuition.

Magic Lenses

Evaluate competing implementation paths by plotting each through the eyes of the advisers you wish you had

Main Quest vs Side Quest Focus Filter

Filter every opportunity by 'does this advance the main quest, and is it important now or later?'

Match the Sales Hire to the Motion and the Buyer (PLG to SLG)

Layering sales onto PLG: hire growers for inbound and department-head buyers, not CIO hunters.

Milestone-Gated Launch Sequence

Don't spend a dollar on marketing until users start sharing your product unprompted.

Negotiate From Genuine Indifference

The best position to sell your company is being genuinely fine not selling it.

Opinionated Software: Good Defaults Over Flexibility

Ship the one best workflow as a strong default so users spend time on their work, not on configuring your tool.

Pattern-Breaking Inside a Big Company

Make small bets that can fail a lot — and hide them from the mother ship

Payback-First Channel Measurement

Judge channels on closed-won revenue one year out, never on lead volume.

Entrepreneurship5 steps

Paying Is the Only Signal

Discount friends' feedback to zero, and convert 'willing to pay' into money actually moving — refundable

Polarization as a Naming Signal

If the team is comfortable with the name, you don't have the name yet — look for tension.

Positional vs. Tactical Game

Don't die, then pour your energy into board position — tactics are the drawdown of value you've already earned.

Positioning Before Pricing (The Single-Attribute Position)

Own one clear position that is unique, available, and reinforces your product strategy — then let it dictate price

Positive-Sum Dials (Levers You Don't Pull)

Build every monetization lever you can, then refuse to pull them — coordinate on the iterated game instead of defecting for short-term profit.

PR and Launch Strategy: Credibility Over Leads

Treat PR as a credibility asset for hiring and cold outbound, and replace one big launch with a cadence of launches.

Pre-Sell Before You Build

Do customer validation and line up buyers before writing code or raising money

Self-Mastery4 steps

Proactive Time Allocation (Kill Fake Work, Guard Relationships)

Stop letting your inbox set your agenda; allocate time from strategy and finite-life priorities instead of reacting.

Problems One and Two

Stop reporting your productivity on problems 3-100; get stuck on the two hardest ones

Product-Market Fit as Segment Territory

Treat PMF not as a binary but as territory won segment by segment, and double down hard on whatever segment is pulling.

Product Marketing Fusion (Inbound + Outbound in One Function)

Merge product management with product marketing so the people who build the product also own how it's told and sold.

Progress Cadence as the Success Signal

Judge a startup by whether each check-in has genuinely new progress, not by hype

Prompt Decomposition

Make the model list the sub-problems first, then solve each before the whole

Prompt Injection Defense Stack

Stop trying to fix injection with prompts and guardrails — mitigate at the model level

Punch Above Your Weight: Trust Signaling for Small Startups

Use small, cheap signals of polish and legitimacy so large customers trust a tiny company with big contracts.

Question-First Cheap Channel Playbook

Find where your buyers ask their questions, answer them honestly, and let the answer sell.

Reading the Invisible Language of the To/CC Line

Recipient order, To vs CC, and reply order all send signals people quietly read.

Self-Mastery3 steps

Read Old Books You Know Nothing About

With ~50–100 books left in a lifetime, spend them on time-filtered classics in domains you're ignorant of.

Remove the Emotional Filter From Decisions

Strip emotion out to get the raw decision, then handle feelings separately afterward.

Robust-Across-Futures Action

When the future is unknowable, choose actions that are ethical across a wide range of scenarios

Scheduling by Deference

The one asking does the work: let the busier person set the time, and give real options.

Self-Criticism Loop

Get the model to critique its own answer, then implement its own critique

Separate the Decision from the Implementation

Decide for the stakeholder as if there were no feelings, then solve each hurt in implementation

Set the Pace Through Decisiveness (Bias for Action)

A company's speed is governed by how fast it decides, not how hard it works — so refuse to 'circle back.'

Leadership6 steps

Shipping 0-to-1 Inside a Big Company

Make it the customer's idea, storyboard it in Sharpie, prove it once, and show the economics

Ship-Ugly-Then-Polish Craft Loop

Combine shipping fast with fixing fast: get rough builds in front of real users, reserve polish for general release.

Single-Channel Build-in-Public Bet

Find the one channel that resonates with your exact audience, then double and triple down.

Single Decisive Reason (SDR)

For any important decision, isolate the one reason that alone justifies it — a pile of weak reasons is a red flag

Skeleton Before the Makeup

Sequence early growth investment from site fundamentals up to awareness — never the reverse.

Solution Deepening vs. Market Widening

Classify every build as deepening the product for current users or widening it to new ones — to diagnose 'why we feel slow'

Sound Symbolism Letter Selection

Choose a name's letters for the feelings their sounds evoke, not just their meaning.

Speed-to-Aha Over Best Product

Sometimes the correct product decision hurts the aha moment — cut it and get users to magic faster.

Startup-Within-a-Company Team Design

Build new things inside big companies with small, senior, trusted teams and manufactured discipline

Innovation6 steps

Study Group

A one-hour role-play where employees forget they work at your company and try to use your product

Systematic Customer Conversations

Build a lightweight, repeatable system to talk to customers by phone on a regular cadence.

Innovation2 steps

Tar Pit Idea Detection

Spot the seductive ideas that draw everyone in and trap them — they validate but never work

Communication2 steps

The Best-Practice Inversion Interview

Ask a candidate for a best practice, then for when it would not apply

Influence3 steps

The Business-Meal Deference Protocol

Order middle-to-last, never the priciest dish, always offer to pay, and keep your tip invisible.

Sales3 steps

The Calendar Customer-Contact Audit

20-30% of your calendar should say 'customer meeting' — in person, not behind a keyboard

The Chief Engineer Trade-off Owner

Give one person moral authority over a whole product to keep design coherence in one head

Sales3 steps

The Collison Install (Last-Mile Close)

A 'yes' isn't a sale — hand-hold implementation until the customer is fully live

The Competitor-Launch Name Probe

Test a name by pretending a rival just launched it and watching what it makes people imagine.

The Control Principle Prioritization Filter

When several designs solve the problem, ship the one that leaves your users most in control.

Entrepreneurship6 steps

The Costly-Signal Subscription Model

Subscribers granted you access to their brain — stop apologising for using it.

Marketing6 steps

The Curated Peer Recommendation Loop

Grow supply-side discovery by letting creators recommend each other, not by recommending for them.

The Design Sprint Scorecard

Break your founding hypothesis into rows and grade each one red/yellow/green after head-to-head customer tests

The Differentiation 2x2 (Escape Loserville)

Plot two customer-facing differentiators you can prove and own the top-right; the other three quadrants are Loserville

The Differentiation Stack

Four ordered tests a product must pass to matter, not just exist

The Don't-Die Keep-Going / Give-Up Decision

Deciding whether to persist or shut down by testing love, energy, and remaining moves

The Early-Adopter Rejection Math

Reframe customer outreach: reach 10 to find 1, and indifference isn't rejection

Peak Performance5 steps

The Energy Audit (Zone of Genius)

Color every hour of two weeks green or red, then eliminate the reds until your calendar is 80% green

The Facilitator-First Ramp for Product Leaders Under a Product Founder

Joining a founder with strong product sense? Spend your first months translating, not deciding.

The Fixed-Window Pivot Decision

Time-box a full-focus test on the one thing that matters, then let the team name the next bet

The Forgotten-Name Recovery Playbook

Tactical moves to survive not remembering names or whether you've met someone before.

The Foundation Reset Heuristic

If the market stops sharpening your path, the problem is the foundation — not the effort.

Entrepreneurship5 steps

The Foundation Sprint

A 10-hour, 3-phase team sprint that turns a vague startup idea into one testable founding hypothesis

The Founding Hypothesis (Mad Libs Strategy Sentence)

Compress your entire startup strategy into one testable fill-in-the-blank sentence — then go prove it

The Four Forces of Progress

Model demand as a tug-of-war: two forces push people to switch, two hold them back.

Strategy3 steps

The 'Going Home' Pivot

A good pivot moves warmer — toward your existing expertise and what your last idea taught you

The Hated-Incumbent Idea Prompt

Find a big incumbent customers hate with terrible software, then build the replacement

The Humane Firing Process

Warn, deliver, let them release emotions, then become their active agent to their next job

The Humane Mass Layoff Playbook

Cut deep once, in dollars not headcount, delivered 1:1 — then heal the stay-team by making them feel heard

Strategy2 steps

The Ideas-Left Pivot Timing Test

Pivot when you're out of credible growth ideas, not just because growth is slow

The Inflection Stress Test

Four questions that separate a real inflection from a vague 'why now'

The 'I Perceive You To Be In Anger' Feedback Formula

Interrupt someone's anger without triggering more of it by using a judgment-free I-statement

The 'Is The Search Over?' Content Standard

Judge every article by one question: after reading it, does the reader go back to Google?

The JTBD Switch Interview

Interrogate the story of a real purchase to recover the true causes of a switch.

Strategy6 steps

The Leakable Metric

Pick the one metric your customer would be delighted to discover you'd been measuring all along

Influence3 steps

The Low-Heart-Rate Abundance Posture

Enter high-stakes rooms calm by treating every meeting as one of many, not your one shot.

The Naming Diamond Exercise

A four-corner worksheet that turns a naming problem into a behavior-and-experience brief.

The OPPA — Leaderless Peer Review of Problems and Opportunities

A recurring PM-only forum to spar on problems and opportunities — with the CPO deliberately absent.

The Product/Market Fit Engine

Turn PMF into a number you can raise: focus only on the 'somewhat disappointed' users whose reason for loving you matches the mass market's

The Six Phases of the Buying Timeline

Meet buyers where they are on their timeline instead of forcing them onto yours.

Entrepreneurship6 steps

The Social Radar Founder-Read

Read the human signals in a founder interview to catch red flags the idea-focused people miss.

The Sticky Engine of Growth

Model retention by the three, and only three, reasons a customer returns to your product

Productivity4 steps

The Switch Log

Log every task-switch in real time so your actual work trail — not your calendar — reveals where your time really goes

Self-Mastery4 steps

The Talent Stack (Intersection of Uniqueness)

Stack three-to-five things you're uniquely good at and curious about so you know more than everyone else in that tiny space.

The Three Elements of a Breakthrough Idea

Grade any startup idea on inflections, insight, and founder-future fit — not the implementation

Communication4 steps

The Three Levels of Making Someone Feel Heard

Escalate from acknowledging, to reflecting words, to voicing the unspoken thoughts behind them

The Three Pattern-Breaking Actions

Movements, storytelling, and disagreeableness — how you get people to move to your future

The Three-Phase OKR Maturity Ladder

No OKRs, then siloed team OKRs, then company OKRs with cross-org dependency mapping.

The Three-Slide Believer Pitch

What you do, your non-obvious insight, then proof — built for believers, not objectors

The Three Sources of Energy

Every purchase draws on functional, emotional, and social energy, not just utility.

The Toby Tornado (Compressed Change Management)

When you sense a project is wrong, compress the conflict into a short window, kill it, and reconstitute the team as founders of the next version.

The Traffic Light Keyword System

Rank every keyword by buying intent, not volume — then work greens down before touching yellows.

The Trusted-Advisor Partner Test

Shared audience is not enough — partner only where your buyer already goes for this specific advice.

Communication4 steps

The Trust-First Interview Method

Talk less, promise review before publishing, and follow the tangents — so guests open up and the conversation goes somewhere real.

The Users Having a Bad Day Chart

Emit a log line every time a user hits pain, stack them in a bar chart, and burn the bars down

The "What's Holding You Back" Office Hour

Replace status updates with one question that surfaces the single true bottleneck

Three-Horizon Resource Allocation Shift

Express multi-year strategy as a yearly percentage split of resources across three horizons.

Three-Team Blind Briefing

Disguise the real assignment across parallel teams so creatives are free to make useful mistakes.

Timeless-Customer Team Structure

Organize teams around customers and problems that never end, not around product surfaces that do.

Top Goal with an Accountability Partner

Protect a daily block for your own priority and have a human physically present to force you to do it

Trust-by-Structure Governance

Embed your promises into the company's structure so they hold even when you're gone

Understand It to Dissolve the Fear

Fear of a new technology is misunderstanding — spend time with it and you'll see its edges.

Unquantifiable-First Decision-Making

Demote metrics to a support function and let taste, fun, and delight drive — because Goodhart's law means any metric-as-goal degrades.

Values Reverse-Engineered from Why You Win

Don't philosophize your company values — extract them from the reasons you're actually succeeding.

Value the Technical Co-Founder

Why engineering is the hard part, and how a non-technical founder should actually treat it

Van Westendorp Premium Pricing (Price at the Third Question)

For a best-in-class position, price at the 'starting to feel expensive' point, not the 'bargain' point

Where-to-Play Product Strategy as the Prioritization Engine

Turn an integrated set of strategic choices into the filter that decides every roadmap trade-off.

Communication4 steps

Work Alone Together (Note-and-Vote)

Replace group brainstorms with silent individual idea generation, a quiet vote, and one designated decider

Your First Company Is a Zero (Build the Founder Muscle)

Treat your first three founding years as a craft apprenticeship, not a success you owe yourself.