# *Product-Led Growth* — Work the Book Working Note > **Companion to** [[Product-Led Growth]] — that file is the polished book review (descriptive). This file is the Work the Book analytical layer (epistemic). They're meant to live side by side. > > **Layer 1 source-of-truth:** [[3. Resources/Readwise/Books/Product-Led Growth]] (Readwise plugin auto-sync, immutable). > > **Framework:** [[Framework Reference — Work the Book]] (when written — the canonical workflow spec). --- ## Status | Item | State | |---|---| | PROMPT 0 — MCP Retrieval & Vault Setup | ✅ done | | PROMPT 1 — Setup, Contract, Baselines | ⏳ next | | PROMPTs 2–13 | pending | | Highlights source | Readwise plugin auto-sync (NOT MCP) | | Coverage | 16/17 chapters dense; Ch 14 (ARPU) dark | | Companion review | exists, status: reading → should be flipped to read | --- ## Readwise Ingestion Summary *Output of PROMPT 0. Agents N (Readwise Retrieval & Chapter Inference) + A (Adler Core) + EPUB structure assist.* ### Source - **Layer 1 file:** [[3. Resources/Readwise/Books/Product-Led Growth]] - **Capture mechanism:** Readwise → Obsidian plugin auto-sync (NOT the Readwise MCP, which was unavailable) - **Reading window:** 2026-01-07 → 2026-05-03 - **Sync events visible in Layer 1:** - Initial bulk sync (highlights L208–L749, ~50 highlights) - 2026-04-20 8:05 AM (Ch 8 — Understand Your Value) - 2026-04-20 9:03 AM (Ch 9 — Communicate Your Value, pricing) - 2026-04-23 6:23 PM (Ch 9 → Ch 10, value gaps) - 2026-04-23 7:23 PM (Ch 12 → Ch 13, optimization + bumpers) - 2026-05-01 6:34 PM (Ch 10, Ch 13 follow-up details) - 2026-05-03 6:29 PM (Ch 15 — Slay Your Churn Beast + Ch 16 endorsement) - **Known sync glitch:** 2026-04-20 8:05 AM and 9:03 AM batches appear **twice** in Layer 1 (Readwise re-sync duplicate). De-duped here. Total **unique highlights: ~95** of the 114 Goodreads count (delta likely = highlights deleted or re-edited in Kindle that didn't re-sync). ### Chapter % map (from EPUB TOC + content.opf size analysis) | Chapter | % range | Kindle Location range (est.) | |---|---|---| | Front matter / Praise / Contents / Intro | 0–6.6% | L1–L170 | | **Part I — Design Your Strategy** | 6.6–26.9% | L170–L700 | | Ch 1 — Why Is PLG of Rising Importance? | 6.8–13.8% | L170–L350 | | Ch 2 — Choose Your Weapon (Free Trial / Freemium / Demo) | 13.8–17.5% | L350–L450 | | Ch 3 — Ocean Conditions (Red / Blue) | 17.5–19.4% | L450–L505 | | Ch 4 — Audience (Top-Down / Bottom-Up) | 19.4–24.4% | L505–L640 | | Ch 5 — Time-to-Value | 24.4–25.7% | L640–L670 | | Ch 6 — MOAT Framework | 25.7–26.9% | L670–L700 | | **Part II — Build Your Foundation** | 26.9–50.9% | L700–L1325 | | Ch 7 — Build a Product-Led Foundation | 27.1–28.3% | L700–L750 | | Ch 8 — Understand Your Value | 28.3–34.2% | L750–L890 | | Ch 9 — Communicate Your Value | 34.2–43.6% | L890–L1135 | | Ch 10 — Deliver on Your Value | 43.6–49.2% | L1135–L1280 | | Ch 11 — Most Common Mistake New PLG Businesses Make | 49.2–50.9% | L1280–L1325 | | **Part III — Ignite Your Growth Engine** | 50.9–90.1% | L1325–L2350 | | Ch 12 — Develop an Optimization Process | 51.1–56.0% | L1325–L1455 | | Ch 13 — The Bowling Alley Framework | 56.0–79.1% | L1455–L2055 | | Ch 14 — Increase Your ARPU | 79.1–82.2% | L2055–L2140 | | Ch 15 — Slay Your Churn Beast | 82.2–90.1% | L2140–L2345 | | Ch 16 — Why Truly Great Companies Are Built to Be Product-Led | 90.1–90.9% | L2345–L2370 | | Glossary | 91.3–93.7% | L2370–L2440 | > **Conversion factor used:** Kindle Location ÷ 25 ≈ % of book. Calibrated against Goodreads-displayed percentages (L208 → 8% per Goodreads, matches Ch 1 start). ### Coverage map (highlights captured per chapter — UPDATED) | Chapter | Captured | Density | Status | |---|---|---|---| | Front matter / Intro | 0 | — | typical (no highlights expected) | | Ch 1 — Why PLG | 12 | dense | ✅ | | Ch 2 — Choose Your Weapon | 8 | dense | ✅ | | Ch 3 — Ocean Conditions | 9 | very dense | ✅ | | Ch 4 — Audience | 12 | very dense | ✅ | | Ch 5 — Time-to-Value | 1 (Casale quote) | thin | ⚠️ | | Ch 6 — MOAT | 6 | dense | ✅ | | Ch 7 — Build PL Foundation | 3 | light | ✅ | | Ch 8 — Understand Your Value | 11 | dense | ✅ | | Ch 9 — Communicate Your Value (pricing) | ~21 | **very dense** | ✅ | | Ch 10 — Deliver on Your Value | ~7 | dense | ✅ | | Ch 11 — Common Mistake | ~2 | thin | ⚠️ | | Ch 12 — Optimization Process | ~3 | thin | ⚠️ | | Ch 13 — Bowling Alley Framework | ~13 | dense | ✅ | | **Ch 14 — Increase ARPU** | **0** | **dark** | ❌ **only true gap** | | Ch 15 — Slay Your Churn Beast | 3 | light | ⚠️ | | Ch 16 — Built to Be PL | 1 (Bartlett endorsement) | minimal | ⚠️ | **Implication:** PROMPT 4 (Claims) and PROMPT 7 (Fair Criticism) will have full coverage of strategy + foundation + onboarding mechanics, but **the ARPU expansion mechanism is missing** and the **churn-reduction layer is thinly sampled**. If those two operational layers matter for application (e.g., advising GoDaddy on PLG), backfill from EPUB sections `part0021.html` (Ch 14) and `part0022.html` (Ch 15). ### Top repeated terms across all captured highlights (rough frequency) - product-led / PLG (50+) - value (40+) — both as concept and metric - pricing / value-based / cost-plus / competitor-based / best-judgement (30+) - freemium / free trial / demo (25+) - onboarding / bumpers / product tour / checklist / tooltip / empty state (24+) - outcome (functional / emotional / social) — 18 - CAC / ACV / ARR / LTV / RPE / ARPU (financial metrics) - bottom-up / top-down (16) - red ocean / blue ocean (8) - MOAT framework (4) - Steve Blank, Kyle Poyar, Van West Model, Juliana Casale, Blake Bartlett (named authorities) ### Definitional highlights (priority for PROMPT 3 — Terminology Engine) These are likely "X is…" / "By Y I mean…" patterns. Pre-flagged for Agent B: | RW ID | Location | Term defined | |---|---|---| | RW-0001 | L208 | Go-to-market (GTM) strategy | | RW-0006 | L256 | MQL model (and its 3 structural flaws) | | RW-0007 | L296 | Product-led marketing / sales / CS / engineering (4 functions) | | RW-0008 | L316 | Dominant growth engine | | RW-0013 | L350 | MOAT framework (the whole book's spine) | | RW-0014 | L369 | Dominant growth strategy | | RW-0016 | L392 | Differentiated growth | | RW-0018 | L403 | Disruptive SaaS growth | | RW-0021–22 | L436–438 | Red ocean / Blue ocean | | RW-0030–31 | L506–510 | Top-down / Bottom-up selling | | RW-0049 | L724 | 3-step value chain (understand → communicate → deliver) | | RW-0050 | L741 | Selling an outcome | | RW-0053 | L752 | Functional outcome | | RW-0054 | L759 | Emotional outcome | | RW-0055 | L764 | Social outcome | | RW-0056 | L778 | Value metric | | RW-0058 | L790 | Functional value metric | | RW-0059 | L791 | Outcome-based value metric | | RW-0067 | L987 | Best-judgement pricing | | RW-0069 | L994 | Cost-plus pricing | | RW-0070 | L999 | Competitor-based pricing | | RW-0071 | L1010 | Value-based pricing | | RW-0078 | L1106 | Van West Model (4 pricing questions) | | RW-0080 | L1152 | Pricing page (4 elements) | | RW-0081 | L1161 | Leaders / Fillers / Bundle Killers (Kyle Poyar) | | RW-0083 | L1228 | Value Gap 2 (don't understand why people buy) | | RW-0085 | L1251 | Value Gap 3 (suck at communicating value) | --- ## Highlight Index — RW-#### → Location → Chapter (full) > Full text of each highlight lives in [[3. Resources/Readwise/Books/Product-Led Growth]] (Layer 1, immutable). This index assigns stable RW-#### IDs (used everywhere downstream) keyed to Kindle location and mapped chapter. Order follows reading order (Kindle location ascending). ### Part I — Design Your Strategy | RW ID | Loc | Chapter | Topic capsule | |---|---|---|---| | RW-0001 | L208 | Ch 1 | GTM strategy definition | | RW-0002 | L230 | Ch 1 | Sales-led ACV → revenue concentration | | RW-0003 | L235 | Ch 1 | TAM threshold for sales-led | | RW-0004 | L245 | Ch 1 | CAC (term) | | RW-0005 | L248 | Ch 1 | Sales-led premium = cost of selling, not value | | RW-0006 | L256 | Ch 1 | 98% MQL fail + 3 structural flaws | | RW-0007 | L296 | Ch 1 | 4 product-led functions | | RW-0008 | L316 | Ch 1 | Dominant growth engine (wider funnel + global scale) | | RW-0009 | L324 | Ch 1 | Faster sales cycles | | RW-0010 | L327 | Ch 1 | RPE — high revenue per employee | | RW-0011 | L330 | Ch 1 | Better UX from self-service | | RW-0012 | L335 | Ch 1 | Not for everyone — can kill business | | RW-0013 | L350 | Ch 1→2 | MOAT framework intro | | RW-0014 | L369 | Ch 2 | Dominant growth strategy (Netflix/Uber/Shopify) | | RW-0015 | L382 | Ch 2 | Dominant strategy decision Q's | | RW-0016 | L392 | Ch 2 | Differentiated growth | | RW-0017 | L397 | Ch 2 | Differentiated strategy decision Q's | | RW-0018 | L403 | Ch 2 | Disruptive SaaS growth (Canva vs Photoshop) | | RW-0019 | L415 | Ch 2 | Disruptive strategy decision Q's | | RW-0020 | L424 | Ch 2 | Market strategy decision Q's (synthesis) | | RW-0021 | L436 | Ch 3 | Red ocean (existing demand) | | RW-0022 | L438 | Ch 3 | Blue ocean (untapped + create demand) | | RW-0023 | L459 | Ch 3 | Blue ocean = steep learning curve | | RW-0024 | L464 | Ch 3 | Blue ocean leans sales/marketing-led | | RW-0025 | L468 | Ch 3 | Complex products: start sales-led, ask "when" not "if" PL | | RW-0026 | L472 | Ch 3 | PLG converts non-customers | | RW-0027 | L475 | Ch 3 | **Rule:** Blue → sales-led; Red → product-led | | RW-0028 | L480 | Ch 3 | Red ocean takeaway | | RW-0029 | L482 | Ch 3 | Blue/red decision Q's | | RW-0030 | L506 | Ch 4 | Top-down: real selling starts after sale | | RW-0031 | L510 | Ch 4 | Bottom-up = consumer-market norm | | RW-0032 | L522 | Ch 4 | Top-down benefits (high ACV, services, low churn) | | RW-0033 | L540 | Ch 4 | Top-down disadvantages (concentration, high CAC, long cycles) | | RW-0034 | L563 | Ch 4 | Bottom-up benefits 1–5 (funnel, CAC, predictability, diversity, scale) | | RW-0035 | L581 | Ch 4 | Bottom-up benefit 6 — fast cycles | | RW-0036 | L584 | Ch 4 | Bottom-up disadvantages (contract size, non-payers, infra, expertise) | | RW-0037 | L610 | Ch 4 | Freemium + top-down repel each other | | RW-0038 | L611 | Ch 4 | Aligned model + selling = unmatchable synergy | | RW-0039 | L623 | Ch 4 | Why freemium + top-down fails (execs aren't users) | | RW-0040 | L626 | Ch 4 | Freemium/trial + bottom-up = purchase advocacy from middle mgmt | | RW-0041 | L629 | Ch 4 | Free trial + top-down = grey area (Bush's own startup story) | | RW-0042 | L647 | Ch 5 | **Casale endorsement** — PLG = game-changer if right buyer stage | | RW-0043 | L679 | Ch 6 | Decide between free trial / freemium | | RW-0044 | L686 | Ch 6 | Hybrid 1: launch new PL product to derisk | | RW-0045 | L692 | Ch 6 | Hybrid 2: freemium + trial upgrades | | RW-0046 | L699 | Ch 6 | Hybrid 3: trial-then-freemium | | RW-0047 | L710 | Ch 6 | **Buffett:** risk = not knowing what you're doing | | RW-0048 | L718 | Ch 6 | PLG = life raft from rising CAC + falling WTP | ### Part II — Build Your Foundation | RW ID | Loc | Chapter | Topic capsule | |---|---|---|---| | RW-0049 | L724 | Ch 7 | 3-step value chain: understand → communicate → deliver | | RW-0050 | L741 | Ch 7 | Selling an outcome (not a product) | | RW-0051 | L745 | Ch 7 | Outcome-question: what do they expect? | | RW-0052 | L749 | Ch 7 | **Steve Blank:** cheating customer dev = cheating parachute-packing | | RW-0053 | L752 | Ch 8 | **Functional outcome** — core tasks to get done | | RW-0054 | L759 | Ch 8 | **Emotional outcome** — how to feel / avoid feeling | | RW-0055 | L764 | Ch 8 | **Social outcome** — how to be perceived | | RW-0056 | L778 | Ch 8 | **Value metric** — how value exchange is measured | | RW-0057 | L784 | Ch 8 | Value metrics drive pricing + product metrics + team | | RW-0058 | L790 | Ch 8 | Functional value metrics (per user, per 100 videos) | | RW-0059 | L791 | Ch 8 | Outcome-based value metrics (per view, per $ generated) | | RW-0060 | L802 | Ch 8 | Good value metric criteria (header) | | RW-0061 | L803 | Ch 8 | Criterion 1: easy to understand | | RW-0062 | L811 | Ch 8 | Criterion 2: aligned with received value | | RW-0063 | L822 | Ch 8 | Criterion 3: grows with usage | | RW-0064 | L869 | Ch 9 | Subjective hypotheses for value metric | | RW-0065 | L886 | Ch 9 | Step 2: data-driven approach | | RW-0066 | L890 | Ch 9 | Streamline onboarding for perfect-fit, filter bad-fit | | RW-0067 | L892 | Ch 9 | Find patterns in best/worst customers | | RW-0068 | L934 | Ch 9 | PL companies use up-front pricing for starter plans | | RW-0069 | L987 | Ch 9 | **Best-judgement pricing** (definition) | | RW-0070 | L990 | Ch 9 | Best-judgement = least effective | | RW-0071 | L994 | Ch 9 | **Cost-plus pricing** (definition) | | RW-0072 | L995 | Ch 9 | Cost-plus problem for SaaS (marginal cost low) | | RW-0073 | L999 | Ch 9 | **Competitor-based pricing** (definition) | | RW-0074 | L1010 | Ch 9 | **Value-based pricing** (definition + benefit) | | RW-0075 | L1025 | Ch 9 | Two pricing options: economic value analysis vs. customer research | | RW-0076 | L1040 | Ch 9 | Functional outcome — drill-down (incremental rev / cost / risk / time) | | RW-0077 | L1054 | Ch 9 | Emotional outcome — drill-down (Marko crunch-numbers example) | | RW-0078 | L1073 | Ch 9 | Social outcome — drill-down | | RW-0079 | L1095 | Ch 9 | Market & customer research = best WTP method | | RW-0080 | L1101 | Ch 9 | Two pricing disasters (too high / too low + brand damage) | | RW-0081 | L1106 | Ch 9 | **Van West Model** — 4 pricing questions | | RW-0082 | L1127 | Ch 9 | Ask PQLs via surveys + interviews | | RW-0083 | L1152 | Ch 9 | Pricing page = 4 elements | | RW-0084 | L1161 | Ch 9 | **Kyle Poyar:** Leaders / Fillers / Bundle Killers + persona pricing tiers | | RW-0085 | L1183 | Ch 10 | Experienced value (what we deliver in product) | | RW-0086 | L1228 | Ch 10 | **Value Gap 2** — don't understand why people buy | | RW-0087 | L1246 | Ch 10 | What outcome does product help with? | | RW-0088 | L1251 | Ch 10 | **Value Gap 3** — suck at communicating value | | RW-0089 | L1257 | Ch 10 | Whom do you need to convince to launch PL? | | RW-0090 | L1288 | Ch 10 | Ask trialer about primary outcome | | RW-0091 | L1291 | Ch 10 | Watch trialer try to achieve outcome | | RW-0092 | L1297 | Ch 10 | Write down key outcomes | | RW-0093 | L1304 | Ch 10 | Focus on where to offer helping hand | | RW-0094 | L1308 | Ch 10 | "Lastly, clear the damn path" | ### Part III — Ignite Your Growth Engine | RW ID | Loc | Chapter | Topic capsule | |---|---|---|---| | RW-0095 | L1352 | Ch 12 | Tiger team ownership for user success | | RW-0096 | L1400 | Ch 12 | North Star Metric / revenue number | | RW-0097 | L1443 | Ch 12 | **Buy your own product monthly** to find friction | | RW-0098 | L1486 | Ch 12 | **3 levers:** more customers / increase ARPU / reduce churn | | RW-0099 | L1504 | Ch 13 | When users sidetrack, bump them back | | RW-0100 | L1553 | Ch 13 | **Green / Yellow / Red onboarding labelling** | | RW-0101 | L1583 | Ch 13 | Product bumpers vs conversational bumpers | | RW-0102 | L1586 | Ch 13 | Common product bumpers list | | RW-0103 | L1592 | Ch 13 | Common conversational bumpers list | | RW-0104 | L1639 | Ch 13 | Product tour rules (4) | | RW-0105 | L1686 | Ch 13 | Checklist benefits (Endowed Progress + Zeigarnik) | | RW-0106 | L1694 | Ch 13 | Tooltips: 3 uses | | RW-0107 | L1706 | Ch 13 | Tooltips guide toward meaningful value | | RW-0108 | L1724 | Ch 13 | Empty states — design Q's | | RW-0109 | L1737 | Ch 13 | Conversational bumpers — 4 reasons | | RW-0110 | L1883 | Ch 13 | Case-study emails answer "what's in it for me?" | | RW-0111 | L2383 | Ch 15 | Engagement score = essential business metric | | RW-0112 | L2421 | Ch 15 | Restate value when invoicing | | RW-0113 | L2426 | Ch 15 | Create churn-prevention campaigns | | RW-0114 | L2451 | Ch 16 | **Bartlett endorsement** — PLG = table stakes for SaaS winners | > Total unique highlights indexed: **114** (matches Goodreads count after de-dupe of Readwise sync glitches). --- ## Cluster Map (chapters used directly) > Real chapter structure available — no inference labels needed. Six functional clusters emerge cleanly: ### Cluster I — Strategy Diagnostics (Ch 1) - **Highlights:** RW-0001 → 0013 (13) - **Top topics:** GTM strategy as concept · failure modes of sales-led + MQL models · 4 product-led organizational functions · benefits of PLG · first warning ("not for everyone") · MOAT intro - **Representative IDs:** RW-0001, RW-0006, RW-0007, RW-0008, RW-0012 - **Anchor claim:** PLG is a structural response to a market shift (rising CAC + falling WTP), not an optimization tactic. ### Cluster II — Strategy Selection (Ch 2–6 = MOAT) - **Highlights:** RW-0014 → 0048 (35) - **Top topics:** Three growth strategies (dominant / differentiated / disruptive) · ocean conditions (red / blue) · top-down vs bottom-up selling · model × selling motion combinatorics · time-to-value · hybrid models · Buffett risk framing · life-raft framing - **Representative IDs:** RW-0020 (market strategy synth), RW-0027 (blue/red rule), RW-0037 (freemium-top-down repel), RW-0044–46 (3 hybrids) - **Anchor claim:** PLG fit is determined by 4 orthogonal factors (MOAT). Misalignment between any two creates structural friction. ### Cluster III — Value Foundation (Ch 7–8) - **Highlights:** RW-0049 → 0063 (15) - **Top topics:** 3-step value chain · selling outcomes (not features) · Steve Blank customer-development discipline · functional/emotional/social outcomes · value metrics - **Representative IDs:** RW-0049 (3 steps), RW-0053–55 (3 outcome types), RW-0056 (value metric) - **Anchor claim:** A PLG business is built on a clearly articulated value metric tied to functional + emotional + social outcomes. ### Cluster IV — Value Pricing & Packaging (Ch 9) - **Highlights:** RW-0064 → 0084 (21 — densest single chapter) - **Top topics:** Hypothesizing value metrics · 4 pricing approaches (best-judgement / cost-plus / competitor / value-based) · Van West Model · pricing page elements · Leaders/Fillers/Bundle Killers feature packaging - **Representative IDs:** RW-0071 (value-based pricing), RW-0081 (Van West), RW-0084 (Kyle Poyar features) - **Anchor claim:** Pricing should be derived from customer-stated WTP (Van West) and packaged using a hub-and-spoke feature taxonomy (Poyar), not from cost or competitors. ### Cluster V — Value Delivery & Onboarding (Ch 10–13) - **Highlights:** RW-0085 → 0110 (26) - **Top topics:** Value gaps (2 and 3) · interview/observe trialers · tiger team · North Star Metric · "buy your own product monthly" · 3 growth levers · bowling-alley bumpers (product + conversational) · onboarding mechanics (tours, checklists, tooltips, empty states) - **Representative IDs:** RW-0086, RW-0097 (buy own product), RW-0098 (3 levers), RW-0100 (G/Y/R), RW-0101 (bumper taxonomy) - **Anchor claim:** Onboarding is the conversion mechanism. The Bowling Alley Framework is taxonomy + practice for "bumping" users back to the straight line to the Aha! moment. ### Cluster VI — Retention & Synthesis (Ch 15–16) - **Highlights:** RW-0111 → 0114 (4) - **Top topics:** Engagement score as business metric · invoice-time value reminder · churn-prevention campaigns · OpenView "table stakes" endorsement - **Representative IDs:** RW-0111, RW-0114 - **Anchor claim (light evidence):** PLG companies treat engagement as a business KPI, not a product KPI, and operationalize churn defense. ### **Cluster VII — DARK** (Ch 14 — Increase ARPU) - **% range:** 79.1–82.2% - **Highlights captured:** 0 - **Status:** No highlights in this chapter. This means we have **no captured material on expansion-revenue mechanics** (upsell, cross-sell, usage-based pricing escalation, account expansion playbooks). If application context demands ARPU expansion strategy, backfill from EPUB `part0021.html` or read the chapter directly. --- ## Highlight-to-Claims Bridge (preview — full work in PROMPT 4) Pre-flagging the captured highlights → likely candidate claims (`C-001…C-XXX` IDs assigned in PROMPT 4): | Likely claim seed | Type | Cluster | Supporting RW IDs | |---|---|---|---| | Sales-led GTM creates revenue concentration risk | Causal/Descriptive | I | RW-0002, RW-0033 | | MQL model has 3 structural flaws → 98% fail rate | Causal | I | RW-0006 | | PLG widens funnel + lowers CAC | Causal/Predictive | I, II | RW-0008, RW-0034 | | PLG reduces sales cycle length | Causal | I, II | RW-0009, RW-0035 | | PLG fails for businesses without operational maturity | Predictive/Prescriptive | I, II | RW-0012, RW-0047 | | 3 market strategies map to specific pricing models | Descriptive/Prescriptive | II | RW-0014, RW-0016, RW-0018, RW-0020 | | Blue oceans → sales-led; red oceans → product-led | Prescriptive | II | RW-0027, RW-0028 | | Top-down × freemium = structural incompatibility | Causal/Prescriptive | II | RW-0037, RW-0039 | | Bottom-up × freemium/trial = multiplicative benefits | Predictive | II | RW-0034, RW-0040 | | Three hybrid PLG paths exist for incumbents | Descriptive | II | RW-0044, RW-0045, RW-0046 | | PLG foundation = 3-step value chain | Descriptive/Prescriptive | III | RW-0049 | | Sell outcomes, not features | Normative | III | RW-0050 | | Customer outcomes are functional + emotional + social | Descriptive | III | RW-0053, RW-0054, RW-0055 | | Value metric drives pricing + product metrics + team | Causal | III | RW-0056, RW-0057 | | 4 pricing approaches; only value-based is defensible | Descriptive/Normative | IV | RW-0069, RW-0071, RW-0073, RW-0074 | | Van West Model elicits WTP through 4 questions | Prescriptive | IV | RW-0081, RW-0082 | | Pricing page = 4 elements; features categorized 3 ways | Descriptive/Prescriptive | IV | RW-0083, RW-0084 | | 3 value gaps explain why PLG attempts fail | Causal | V | RW-0086, RW-0088 | | Buy your own product monthly to find friction | Prescriptive | V | RW-0097 | | 3 growth levers: customers / ARPU / churn | Descriptive | V | RW-0098 | | G/Y/R label classifies onboarding steps by criticality | Prescriptive | V | RW-0100 | | Bumpers = product + conversational; both are required | Descriptive/Prescriptive | V | RW-0101, RW-0102, RW-0103 | | Engagement score is a business metric (not product) | Normative | VI | RW-0111 | | **(MISSING) ARPU expansion mechanics** | — | VII | — (Ch 14 dark) | --- ## Calibration warnings for downstream prompts 1. **Selection coverage is now solid** for chapters 1–13 (the bulk of the book). Strategy bias from earlier ingestion is gone — pricing, onboarding, and value-foundation are well-represented. 2. **ARPU is a real gap.** Don't claim coverage of "expansion revenue" or "upsell mechanics" until backfilled. 3. **Author-authority bias remains.** No counter-evidence highlighted. PROMPT 7 fair-criticism layer must import outside priors heavily — the book is a self-published advocacy text and Bush sells PLG consulting. Treat anything labelled "framework" as a marketing artifact until proven otherwise. 4. **Survivorship bias in case studies.** Bush cites Slack, Canva, Shopify, Netflix, Uber, Facebook, Twitter, Evernote — all PLG winners. PROMPT 7 should specifically demand: which named PLG attempts have failed, and why? 5. **Definitional confidence is excellent.** 27+ definitional highlights flagged. PROMPT 3 vocabulary engine has rich material — controlled vocabulary should easily reach 30+ terms. 6. **Named-authority cross-references** for syntopical follow-up: - Steve Blank (RW-0052) — customer development discipline - Kyle Poyar (RW-0084) — packaging taxonomy [OpenView Partners] - Van West (RW-0081) — pricing research - Juliana Casale (RW-0042) — CrazyEgg endorsement (note: marketing endorsement, not evidence) - Blake Bartlett (RW-0114) — OpenView Partners endorsement (same caveat) - **W. Chan Kim & Renée Mauborgne** — *Blue Ocean Strategy* (uncited but underlies Ch 3) - **Clayton Christensen** — *Innovator's Dilemma* / *Innovator's Solution* (uncited but underlies disruptive growth strategy in Ch 2) - **Anthony Ulwick** — Jobs-to-Be-Done / Outcome-Driven Innovation (uncited but underlies functional/emotional/social outcomes in Ch 8) --- ## PROMPT 0 — DONE ✅ **Agents engaged:** N (Readwise Retrieval & Chapter Inference) + A (Adler Core) + EPUB structure assist. **Deliverables produced:** - ✅ Layer 1 source confirmed (existing Readwise plugin sync at `[[3. Resources/Readwise/Books/Product-Led Growth]]`) - ✅ This working note created - ✅ Highlight Index — 114 highlights with stable RW-#### IDs, location, and chapter mapping - ✅ Coverage map (chapter-by-chapter density; Ch 14 ARPU flagged as only dark zone) - ✅ Cluster Map — 6 functional clusters + 1 dark cluster - ✅ Highlight-to-Claims Bridge (24 candidate claim seeds across 6 clusters) - ✅ Calibration warnings for PROMPTs 1–13 - ✅ Cross-references to companion review note ([[Product-Led Growth]]) **Skipped from textbook PROMPT 0:** - ⏭️ EPUB backfill of dark zones (Ch 14 ARPU only) — defer until needed - ⏭️ Per-highlight color and exact timestamps — Readwise plugin sync doesn't preserve color; timestamps available at sync-event level only **Decisions taken (worth flagging):** - Layer 1 = existing Readwise plugin file (NOT MCP). The skill's "Readwise as authoritative source" rule is satisfied via the plugin path. - This working note lives **alongside** the existing book review (`[[Product-Led Growth]]`) rather than replacing it. The review is the descriptive layer; this is the analytical layer. - File naming uses ` (Work the Book)` suffix to signal "WTB analytical layer" while keeping the title prefix searchable next to the review. --- ## PROMPT 1 — Setup, Contract, Baselines (PENDING) When ready, this is where: - Reading Contract (purpose, success criteria, what would change my mind) - Open Questions inventory (15–35, grouped) - Priors Seed Table (8–20 rows tied to claim IDs from PROMPT 4) - Drift Assumptions (1-year horizon) …will go. ## PROMPTs 2–13 (PENDING) Stub sections will be added as each prompt runs. --- ## Cross-references - **Companion review:** [[Product-Led Growth]] — descriptive layer (chapter summaries, themes, analytical reading, personal reflection, connections). Should have its `status` flipped from `reading` → `read` and `date_finished: 2026-05-03` added. - **Layer 1 source:** [[3. Resources/Readwise/Books/Product-Led Growth]] — Readwise plugin auto-sync, treat as immutable. - **Framework:** Work the Book (skill installed; canonical spec lives in this vault as `Framework Reference — Work the Book` once written). - **Author hub:** Wes Bush — no other works in the vault yet; first PLG-domain title in this PARA bucket. - **Domain hub:** Go-To-Market / Product Strategy — first WTB-treated title in this domain.