MBUS 823 — Session 5: Market Growth & Product-Market Fit

Session 5 — Context & Module Logic

What This Session Is Testing

Session 5 is the pivot point of Module 2. Sessions 1–3 attacked Price & Cost (margin). Module 2 shifts to Volume. The organizing profitability equation:

Profit = (Price − Cost) × Volume
Volume = Market Size × Market Share

Session 5 answers: How do you decide which volume lever to pull — and where on the adoption S-curve does your opportunity live?

The Brandless case (Harvard, 2018) is the test bench: a D2C startup attacking a $373B CPG industry where market-size and market-share plays are running simultaneously. The class will debate which strategy Brandless is actually pursuing — and whether the choice is coherent.

Session Flow & Connections

← Session 4 (CDJ)

The Consumer Decision Journey mapped WHERE customers make decisions. Session 5 uses that to ask: which CDJ moments can we shift to grow market size vs. capture market share?

↔ This Session

Market growth models + adoption curve locate the firm on the S-curve. Product-market fit determines whether the current segment is worth doubling down on or must shift.

→ Session 6 (Chasm)

Once PMF is found, the next challenge is crossing to the Early Majority without losing the early adopters who validated you. Pepperfry live case.

Market Growth Model — The Two Levers

Market Size vs. Market Share

These are not the same thing and they require fundamentally different strategies, investments, and risk profiles.

Growth Lever	What It Means	CDJ Implication	Brandless Example
Market Size Growth	Bring non-consumers into the category for the first time	Create new triggers; address non-consumption in the CDJ	Teaching millennials that ethical + healthy CPG doesn't need to be expensive — creating a new buyer segment
Market Share Growth	Take existing customers from established competitors	Break rivals' loyalty loop; win at the initial consideration set	Pulling Procter & Gamble / Whole Foods / Amazon buyers to Brandless on price + values

Key insight: Market-size growth lifts all boats — competitors can free-ride once you've educated the category. Market-share growth triggers defensive responses. Brandless is trying both simultaneously, which is expensive and strategically risky.

The Growth Strategy Matrix

Four options ordered by risk. CDJ analysis tells you which is most tractable for the current moment.

Existing Products

New Products

Existing Customers

Market Penetration ★

Deepen loyalty, increase purchase frequency, win the loyalty loop. CDJ play: optimize post-purchase → reduce re-evaluation → capture repeats. B.More membership is this play.

Lowest Risk

Product Development

New products for existing fans. Requires R&D or curation. Extending beyond 250 SKUs once trust is built. High relevance once PMF is confirmed.

Medium Risk

New Customers

Market Development

Same products, new segments. Beyond conscious millennials — value-seeking families, boomers, rural demographics. Requires new messaging, possibly new channels or price architecture.

Medium Risk

Diversification

New products for new customers. Highest distraction. Amazon Basics represents the commoditized version of this — competing here without distribution scale is a losing position for Brandless.

Highest Risk

What Determines the Right Choice?

Adoption curve position: If you're serving Early Adopters, penetrate (deepen with current fans) before expanding to new segments.
PMF confidence: Only expand once behavior — not just surveys — confirms the current segment is the right one.
Competitive response: Market-size strategies face less immediate competition, but build markets competitors can enter once proven.
Unit economics: CAC vs. LTV of acquiring new customers vs. deepening existing ones — the math usually favors retention.

Brandless's dilemma: At launch, the company is simultaneously educating the market (market-size play) and attacking Big CPG's existing customer base (share play). These require different messages, channels, and metrics. The BrandTax™ campaign is category education — it teaches consumers to resent all CPG brand markups. Who benefits most when that lesson lands? Amazon.

Technology Adoption Life Cycle — Rogers & Moore

The S-Curve of Market Size

Cumulative adoption follows a normal distribution over time. The key strategic insight: different segments have fundamentally different psychological profiles — and your marketing must change as you cross from one to the next.

2.5%

Innovators

13.5%

Early Adopters

34%

Early Majority

34%

Late Majority

16%

Laggards

⚡ THE CHASM exists between Early Adopters and Early Majority — different psychology, non-continuous gap (Session 6 deep-dive) ⚡

Segment Psychology — Three That Matter Most for Brandless

Innovators · 2.5%

The Enthusiasts

Try anything new for its own sake
High risk tolerance, forgiving of failures
Buy on idea, not evidence
Valuable for feedback, not revenue scale

Brandless equivalent: Tech-forward consumers who ordered on Day 1 out of pure curiosity about the $3 model concept

Early Adopters · 13.5%

The Visionaries

See potential before it's proven
Leaders, tastemakers, opinion formers
Can fill "whole product" gaps themselves
Buy via referral from innovators

Brandless core customer: The conscious urban millennial who distrusts Big CPG on principle and actively seeks values-aligned brands. This is Brandless's primary segment at launch.

Early Majority · 34%

The Pragmatists

Want proven solutions from established players
"Who else like me is doing this?"
Won't move without strong peer references
Need the complete solution — no gaps

Brandless's challenge: Pragmatists still rely on brand signals for quality assurance. "Brandless" removes the signal they depend on. This is the fundamental crossing challenge.

Why Early Adopter References Don't Work on Early Majority

Dimension	Early Adopter (Visionary)	Early Majority (Pragmatist)
Decision driver	Revolutionary idea; principle-based rejection of status quo	Proven ROI; "who else like me is already using this"
Reference requirement	None — they ARE the first reference for others	Strong peer references from within their own segment are essential
Risk tolerance	Buys imperfect, early-stage products willingly	Wants complete, polished, proven solutions
For Brandless specifically	Trusts the founders' narrative; rejects Big CPG on principle	Needs quality proof from trusted third parties, wide availability, and social validation that "shopping brandless" is normal — not experimental

The market size inflection point occurs when the Early Majority tips. Innovators + Early Adopters = 16% of the market — a passionate niche. Early Majority + Late Majority = 68% — a mass market. For Brandless's VC investors, staying in the 16% means a write-off. Crossing to 50%+ is where real scale lives, but it requires a fundamentally different marketing approach.

Product-Market Fit — Definition & Diagnosis

What Is Product-Market Fit?

PMF is the moment when you've found a segment for which your product does the job better than any available alternative — and customers prove it through their behavior, not just their stated preferences.

In course language: PMF is when JTBD analysis is confirmed by market data. You've correctly identified the job, the right segment is repeatedly hiring your product for it, and organic growth is happening without extraordinary push.

Sean Ellis's 40% test: Ask customers "How would you feel if you could no longer use this product?" If 40%+ answer "very disappointed," you have PMF. Below 40% — either you don't have PMF, or you're measuring the wrong segment. The 40% threshold distinguishes "nice to have" from "essential."

The Three Leading Behavioral Indicators

Retention Curves

Customers return without being pushed. For CPG: repurchase rate and subscription uptake. Brandless's B.More membership ($36/year for free shipping) is a retention mechanism — but only signals PMF if members actually reorder without promo codes.

Organic Word-of-Mouth

Growth that you didn't pay to generate. The #brandlesslife hashtag and Mad Libs postcards are designed to manufacture this. Authentic WOM comes from genuine delight — the Feeding America mission per order creates a story worth sharing organically. Watch: is the WOM changing shopping behavior or just social media behavior?

NPS / Advocacy

Net Promoter Score and active referral. The difference between "I posted an unboxing" (passive social activity) and "I told my sister to switch from Whole Foods to Brandless" (active referral that changes purchase behavior). Only the latter signals genuine PMF.

PMF vs. Adoption Curve — Two Different Concepts

Stage	Definition	Brandless Assessment
PMF with Early Adopters	Strong product fit within the innovator/EA segment (the first 16%)	Likely achieved. Media buzz, strong unboxing experience, B.More membership uptake, positive Bon Appétit blind taste tests, social sharing behavior.
PMF with Early Majority	Fit with pragmatist mainstream — requires different proof points and whole product completeness	Not yet achieved. Mainstream shoppers still defaulting to grocery store private labels and Amazon. D2C shipping friction and $9 flat rate are barriers the pragmatist won't tolerate.
The Critical Mistake	Conflating early adopter PMF with mainstream readiness	If Brandless mistakes launch-week enthusiasm for broad PMF and scales aggressively into the Early Majority without adjusting the whole product, it will burn cash against a stone wall of pragmatist resistance.

The selection bias trap: Early D2C metrics almost always look like strong PMF — because only enthusiasts seek you out. Brandless's early repeat purchase data is from self-selected brand rejecters who read TechCrunch and actively went looking. The real PMF test: what happens when you show up in front of a shopper who hasn't already rejected Big CPG? The conversion rate there tells you if you have broad PMF or a passionate niche.

Brandless Case — Full Protocol

Step 1 — Diagnose the Mindset

Outside-In Elements ✓

Founded from the customer's frustration: "people paying too much for items they shouldn't think twice about" — not from a capability Leffler or Sharkey happened to have
BrandTax™ framing redefines the market through customer eyes, not product portfolio logic
Values-based product curation driven by consumer focus groups, taste tests, and surveys — not brand portfolio inherited from manufacturing
Social mission (Feeding America per order) tied to the customer's need to feel virtuous — an emotional job the product directly serves
Packaging as UI/UX: "a UI for a physical product company" — design thinking applied to every brand touchpoint
The "just what matters" editing philosophy responds to shopper overwhelm — 250 curated SKUs vs. 30–40K at Whole Foods

Inside-Out Risks ⚠

The $3 fixed price is an operational constraint dressed as a customer benefit — it limits product range and may not match customer value perception across all categories
Curated assortment of 250 SKUs is a merchandising decision (manageable inventory at $3) masquerading as a customer journey decision
The B.More membership mirrors Amazon Prime and Costco subscription models — is this the right mechanic for the conscious millennial who rejects institutional loyalty programs?
D2C only, $9 flat shipping at launch — a capability/cost constraint that increases CDJ friction for the very customer Brandless wants to serve

Verdict: Brandless is Outside-In at its founding thesis — but operationalizing "just what matters" via the $3 price constraint risks sliding into Inside-Out as the company scales. The question is whether $3 serves the customer's job or limits it. When the job is "get high-quality organic olive oil cheaply," $3 works. When the job is "stock my entire medicine cabinet," the constraint forces compromises the customer didn't ask for.

Step 2 — Map the Customer

Core customer: The Conscious Urban Millennial — 25–38, living in a major metro, educated, values-forward, suspicious of legacy institutions.

Functional Job

Buy high-quality pantry staples, personal care, and home goods at a price that feels fair — without spending 45 minutes comparing labels, brands, and prices across three apps and two stores.

Social Job

Be seen as a smart, values-aligned consumer who doesn't pay for meaningless brand overhead — and can share that identity publicly via #brandlesslife, unboxing posts, and recommending to friends.

Emotional Job

Feel virtuous: know that what's in my home is non-GMO, organic, chemical-free, and ethically sourced — AND that I'm not being exploited by Madison Avenue. Simplicity as anxiety relief in an overwhelming market.

The Consideration Set — Non-Obvious Competitors

Competitor	How They Compete	Brandless's Edge	Brandless's Exposure
Trader Joe's	Private label at low prices; cultish experiential community	D2C convenience; richer ethical transparency; mission narrative	Trader Joe's has the physical discovery experience — browsing the store IS the loyalty loop. Brandless is purely transactional online.
Whole Foods 365	Natural/organic at lower Whole Foods price points	Cheaper on most SKUs; no retailer margin; more values transparency per product	WFM has physical presence + Amazon data/scale + Prime integration post-acquisition. Distribution advantage is overwhelming.
Amazon Basics / Elements	Commodity private label + Prime convenience; Alexa voice ordering	Authentic values story; founder-led community narrative; social mission; human brand	Amazon's voice ordering (Alexa) removes Brandless from the consideration set entirely. "Buy tomato sauce" → Amazon picks. Existential threat.
Dollar Store Brands	Pure price: $1 vs. $3 per item	Quality; health credentials; values signaling; mission	For price-only shoppers, $3 is already expensive. Brandless cannot win a pure price war with dollar stores.

Step 3 — Apply the Framework

Adoption Curve Location & Market Context

EA

Adoption stage — Early Adopters, approx. 13.5% of potential market

90/100

Top CPG brands losing market share (Catalina, 2015)

40%

Claimed BrandTax™ savings vs. leading brand equivalents

6.2%

Small CPG brand growth vs. 1.6% for large brands (2012–2016)

Brandless sits squarely in the Early Adopter phase. The "conscious urban millennial" is the textbook early adopter: a visionary who rejects legacy institutions on principle. The CPG market environment is structurally tilted toward disruption (90/100 brands losing share, $1B Dollar Shave Club exit, e-commerce growth). The strategic imperative is to achieve PMF with early adopters BEFORE attempting the Early Majority move.

Growth Strategy Diagnosis

Strategy	Brandless's Actual Play	Strategic Risk
Market Size Growth	BrandTax™ concept educates shoppers that ethical + healthy CPG doesn't need to cost a premium. This is category creation: defining a new segment that didn't exist before (values + value, simultaneously).	Educating the market benefits all competitors who enter after. If Brandless teaches Americans to reject CPG premiums, who captures that conviction at scale? Amazon.
Market Penetration	B.More membership; social community; unboxing experience; Mad Libs postcards. Lock in early adopters before Amazon replicates the model. CDJ play: optimize the loyalty loop.	Addressable base at $3 price point + D2C only is small. Shipping cost creates basket-size pressure.

The strategic tension Brandless must resolve: Simultaneously growing the market (BrandTax™ education) AND capturing share (beating Procter & Gamble on price). Growing the market is a long, expensive, altruistic play. Taking share requires precision — and triggers defensive responses from companies with 10x the marketing budget. Dollar Shave Club won by doing ONE thing obsessively (share in the men's razors category) before Gillette could respond. Brandless is trying to reinvent all of CPG at once.

Discussion Questions — Session 5

Q1: Is Brandless pursuing a market growth strategy or a market share strategy — and which should it be pursuing?

Brandless is attempting both simultaneously — and that's the strategic problem. The BrandTax™ narrative is a market-size play: it teaches consumers to re-evaluate all CPG spending, potentially growing the "value + values" segment. But the $3 product line and D2C model directly attack P&G, Whole Foods, and Amazon — a share play. The incompatibility: growing the market means educating consumers, which benefits every competitor who enters after you. Taking share requires precision targeting that doesn't waste budget on category education. The prescription: focus on market penetration first (B.More, loyalty loop, community) to build a defensible base of 5M+ loyal early adopters — THEN use that proof of concept and community to pull in the Early Majority with a fundamentally different campaign focused on social proof, not brand deconstruction.

Taju's Angle

This is the same tension early African fintech faces: do you educate the unbanked market (expensive, slow, benefits competitors) or steal wallet share from traditional banks (faster but limited by who already trusts you)? Dollar Shave Club won by doing ONE thing obsessively — share in men's razors — before Gillette could react. Brandless tried to reinvent all of CPG at once. The acquisitions show who won: Dollar Shave Club ($1B Unilever), Brandless (shut down 2020).

Q2: Where is Brandless on the adoption curve, and what does reaching the Early Majority actually require?

Brandless is deep in the Early Adopter segment. The "conscious urban millennial" is the textbook visionary: rejects legacy institutions on principle, buys the idea before the proof. Moving to the Early Majority requires: (1) quality proof from sources pragmatists trust — Consumer Reports, sustained NPS above 60, peer referral rather than founder narrative; (2) category leadership signals — "America's most trusted no-name brand" rather than "a brand you've never heard of that charges $3 for everything"; (3) friction reduction — D2C shipping with a $9 flat rate still adds hassle the pragmatist won't accept when Kroger is 10 minutes away; (4) ubiquity — either Amazon checkout integration (which destroys the anti-Amazon positioning) or a physical retail partner (which reintroduces retailer margin). Each solution contradicts the original value proposition in some way. This is the chasm problem in pure form.

Taju's Angle

The adoption curve teaches that PR moves innovators, not early majority. Brandless's launch media blitz (TechCrunch, Bon Appétit, Fast Company) was spectacular for early adopters who read those publications. But the pragmatist buying tomato sauce at Target reads neither. To reach them you need grocery shelf adjacency, Amazon listing, or national TV — each of which undermines the BrandTax™ value proposition. The communication strategy and the distribution strategy are in fundamental conflict.

Q3: Has Brandless achieved product-market fit? How would you actually test it?

Brandless has PMF with its core segment (conscious early-adopter millennials) but not with the broader market. Evidence for PMF: B.More membership uptake, social sharing behavior (#brandlesslife), positive blind taste tests, media praise, the founding narrative that resonates emotionally with the target. Evidence AGAINST broad PMF: D2C only limits reach, $9 shipping creates basket-size pressure that kills small/occasional orders, 250 SKUs means customers must supplement elsewhere (breaking the whole-household pantry use case), and the "40% test" would likely fail once you move beyond self-selected brand rejecters. Rigorous testing would require: (1) survey current buyers AND lapsed buyers AND browsers who didn't convert — the gaps between these cohorts reveal the PMF boundary; (2) measure 90-day repurchase rate for non-B.More members without any coupon or promo; (3) run a price elasticity test ($3 → $4 for premium SKUs) to see if value is perceived or just habitual price anchoring.

Taju's Angle

As a PM, the worst signal is customers who love the demo but don't activate regularly. The unboxing moment ("Woo Hoo! You've gone brandless") is exceptional — but does it generate repeat orders six weeks later without a promo? PMF is demonstrated by the second and third order, not the first. The first order is curiosity. The third order is a job being done.

Q4: Is "brandless" actually a brand — and does this paradox help or hurt?

Yes, Brandless is unmistakably a brand — and a sophisticated one. The packaging is highly distinctive, the values are specific and curated, the community is intentionally cultivated, and the founders are the face of it. The "brandless" name is an Outside-In positioning play: it defines itself not by what it has, but by what it removes (the BrandTax). This is analogous to Aesop (no advertising, clinical packaging) or Muji (no-logo brand) — rejection of brand convention becomes the brand itself. The paradox helps with early adopters (who value authenticity and despise performative branding) and hurts with early majority (who rely on brand signals as quality proxies and trust heuristics). Sharkey acknowledges this directly: "We're not not a brand, we're just reimagining what it means to be a brand." The reframe is clever — but the pragmatist consumer doesn't do philosophy with their tomato sauce. They want a signal that tells them quality without making them think. Brandless removes that signal.

Taju's Angle

This is meta-branding: using the rejection of branding as the brand. The same move that "anti-advertising" car ads use. The vulnerability is accountability: if there's no brand in the traditional sense, who is responsible when the product disappoints? Brand premium exists partly as a quality guarantee and partly as a complaint mechanism. Removing the brand can feel liberating (early adopters love it) or terrifying (pragmatists have no one to blame — which means they won't try it). Amazon's answer: brand themselves (Amazon Basics) while offering Brandless-style pricing. Best of both worlds.

Q5: What is Brandless's defensible moat against Amazon — and is it enough?

Brandless's potential moats: (1) Authentic mission and community — Amazon cannot replicate a genuine values-led community narrative; the Feeding America donation per order and the B.More founding story are human in a way Amazon's scale prevents; (2) Curation as a service — Amazon's endless aisle is the explicit opposite of "just what matters"; for an overwhelmed shopper, 250 curated SKUs IS the product; (3) Direct consumer relationship — most CPG companies have no idea who their customers are; Brandless's D2C model creates first-party data and relationship depth that retailers can't match. However: none of these moats are durable against Amazon's distribution, data, and Whole Foods acquisition. Alexa voice ordering removes Brandless from the consideration set without the shopper realizing it. The defensible path was NOT to out-distribute Amazon but to out-community Amazon — make Brandless the trusted curator that the pragmatist reaches for once early adopters have proven the quality. This required patience that VC timelines don't allow. The company shut down in February 2020.

Taju's Angle

This is the "build vs. be-acquired" founder dilemma. Brandless was solving a real job — values + value, without brand overhead — but the moat wasn't deep enough to survive Amazon's counter-punch. Strategic lesson: if your innovation can be replicated by a platform with infinite distribution within 36 months, you either move up-market (into categories Amazon won't touch), build an uncopiable community (which takes 5-7 years), or get acquired before the counterfeit arrives. Dollar Shave Club chose acquisition at $1B. Brandless chose independence. The market chose for them.

Participation Hooks — Live Angles for June 14

How to Stand Out in a Virtual Session

Virtual discussions reward the specific, concrete diagnostic over the broad observation. Below are four angles calibrated to Taju's perspective — deploy one, build on the discussion, pivot to a second if the session opens up.

Angle 1 — The PMF Selection Bias Problem

Challenge the assumption that Brandless has achieved genuine product-market fit

The class will likely praise Brandless's strong launch signals. Push back on the measurement.

"The launch metrics look like PMF — but how much of Brandless's early retention is genuine fit versus novelty effect and self-selection bias? The conscious millennials who sought out Brandless are not representative of the Early Majority shopper. The real PMF test is: what's the 90-day repurchase rate for a customer who found Brandless through a Facebook ad rather than a TechCrunch article? Those are different customers, and that conversion gap is where the PMF boundary actually lives."

Angle 2 — The Strategy Mismatch

Name the simultaneous market-size and share play as a coherence problem

Move the discussion from "what is Brandless doing" to "what should it be doing and why the current approach creates strategic conflict."

"Brandless is running two strategies simultaneously: growing the market (BrandTax™ education reshapes all CPG consumer expectations) and capturing share (beating P&G on price). The conflict: if the BrandTax™ campaign succeeds, it teaches consumers to distrust brand premiums everywhere — but the beneficiary of that conviction at scale is Amazon Basics, not Brandless. They may be investing in a category re-education campaign that primarily benefits their biggest threat."

Angle 3 — Adoption Curve Timing

Apply the S-curve to make a concrete prediction about the growth ceiling

Bring the framework to a specific, testable claim about Brandless's growth potential.

"The conscious urban millennial is an early adopter — a visionary who rejects Big CPG on principle. That's 13.5% of the potential market. The VC returns Brandless needs require reaching the Early Majority — pragmatists who need peer proof, not founder philosophy. But crossing the chasm in CPG requires either a physical retail presence (adds back retailer margin) or Amazon distribution (kills the anti-Amazon positioning). Brandless may be structurally trapped at the Early Adopter ceiling by its own founding logic."

Angle 4 — Emerging Market Mirror

Bring the African consumer market lens to contextualize the "value + values" positioning

This is Taju's unique contribution — a geographic lens that reframes where the real opportunity lives.

"The 'value + values' consumer that Brandless targets in the US is the median consumer in emerging markets, not the early adopter. In Lagos or Nairobi, distrust of Western brand premiums and price sensitivity coexist naturally — the 'why am I paying BrandTax™ on a bar of soap' insight isn't radical, it's default. The Brandless model might find its Early Majority far faster in a market where the conscious value-seeker is the mainstream, not the exception. The question is whether the D2C model works without the logistics infrastructure."

Final Case Analysis Connections

How Session 5 Feeds the Group Final (40%)

The Final Case Analysis (due July 29) emphasizes Sessions 4–6 with a focus on market growth or share strategies driven by CDJ insight. Three Session 5 tools are essential:

Tool 1 — Growth Diagnosis

Diagnose whether the final case company is pursuing market size or share growth (or both). Name the Ansoff quadrant. Explain the CDJ implication of each and why the current choice is right or wrong.

Tool 2 — Adoption Curve Location

Locate the company on the S-curve. What segment are they currently serving? What does moving to the next segment require — in product, channel, messaging, and proof points?

Tool 3 — PMF Test

Apply the PMF framework behaviorally: retention, WOM, NPS. Has the company earned its current segment? Is there evidence the PMF is genuine or selection-biased? What's the 40% test result likely to be?