Answer 1
In terms of the mistakes that waste runway: PART IV: COMPLETE URL INDEX (120 Articles)
All URLs from sitemap, categorized by slug analysis: **Company Case Studies** (60+): airbnb, atlassian-jira, audible, barstool-sports, bereal, bloomberg, calendly, calm, cameo, canva, carswitch, cash-app, classpass, convertkit, curated, dating-apps, discord, donotpay, doopoll, doordash (x2), etsy, fatal-fight, fast, github, headway, instagram, journify, levelsfyi, linear, mixpanel, morning-brew, netflix, nike, notion, onlyfans, pageflows, postmates, product-hunt, reddit, ring, roam-research, robinhood, shopify, sketch, slice, snapchat (x2), snackpass, spotify, stitch-fix (…
Source: src/lib/bricks/sources/first1000-pmf-patterns-library.md
Answer 2
In terms of the mistakes that waste runway: Cross-cutting takeaways most relevant to social / community growth
1. **Engagement Effect levers** — layer on new use cases, reinforce the core loop, reactivate churned users. 2. **Master the hard side (creators) first** — give them tools, monetization (even small — Twitch tipping, "$50/month was a big deal"), distribution. Homegrown native creators beat imported ones. 3. **Context collapse** is the central late-stage social problem — manage with networks-of-networks (channels, groups, finstas, Stories). 4. **Moderation must be built as software** — upvote/downvote/flag/block; Reddit's governance-as-city-planning model. 5. **Overcrowding &…
Source: src/lib/bricks/sources/andrew-chen-cold-start-problem.md
Answer 3
In terms of the mistakes that waste runway: PART II — THE COLD START PROBLEM
**Ch. 4 — Tiny Speck / Slack.** Tiny Speck spent 4 yrs 10 mo, raised $17M, hired 45 people on the multiplayer game **Glitch** — Butterfield: "97% who signed up would be out of there within five minutes" (leaky bucket). Relaunched as **Slack** → 20M DAU, ~1M businesses, exited to Salesforce for ~$26B, $800M+ revenue. Slack grew from an internal IRC-based "frankentool" (Slack = Searchable Log of All Conversation and Knowledge). **[BIZBUILDER]** Butterfield personally signed up 45 companies in private beta — "I just had friends at other companies" — and personally handled the …
Source: src/lib/bricks/sources/andrew-chen-cold-start-problem.md
Answer 4
In terms of the mistakes that waste runway: PART III — THE TIPPING POINT
**Ch. 11 — Tinder (Tipping Point).** The Tipping Point = a **repeatable strategy** to launch network after network. Tinder: 2B+ swipes/day, 1M dates/week, $1B+ revenue. Dating has naturally high churn (happy couples leave). **[SOCIAL][BIZBUILDER] The USC party tactic:** the team threw an incredible birthday party for a hyperconnected friend; to get in you had to download the Tinder app (bouncer checked) — highest one-day download spike, but what mattered was it being "**500 of the right people**" — the most social, hyperconnected people, on Tinder at the same time. **95% of…
Source: src/lib/bricks/sources/andrew-chen-cold-start-problem.md
Answer 5
In terms of the mistakes that waste runway: PART V — THE CEILING
**Ch. 22 — Twitch (the Ceiling).** At scale, the growth curve teeters between expansion and contraction — "an exponential curve turns into a squiggle." Negative late-stage forces: saturation, churn, trolls/spam/fraud, lower-quality new-user engagement, regulation. Twitch began as **Justin.tv**; the first atomic network was Justin Kan + tech viewers; hit a ceiling — "When something's not growing on the Internet, it's basically on the brink of declining." A gaming team (Emmett Shear, Kevin Lin) split off (gaming was 2–3% of traffic; code-named Xarth.tv); the board hated it (t…
Source: src/lib/bricks/sources/andrew-chen-cold-start-problem.md
Answer 6
In terms of the mistakes that waste runway: PART VI — THE MOAT
**Ch. 29 — Wimdu versus Airbnb.** If your product has network effects, your competitors likely do too. **Wimdu** — a near-exact Airbnb clone from the Samwer brothers' Rocket Internet (2011), launched with $90M funding, 400+ employees, "ten times bigger than Airbnb on paper." Airbnb was then 2.5 yrs old, 40 employees, USD-only. Wimdu scraped Airbnb listings, posed as guests to recruit Airbnb hosts, built 50,000+ listings — then **went to zero** by 2014–2018. **"All supply isn't created equal"** (Airbnb employee #17): "Wimdu's top 10% of inventory was at the bottom 10% of Air…
Source: src/lib/bricks/sources/andrew-chen-cold-start-problem.md
Answer 7
In terms of the mistakes that waste runway: Semantic
- relates-to: [[first1000-pmf-patterns-library.md]] — both treat the 0→first-users problem; Cold Start Theory is the structural backbone, First-1000 is the pattern library; complementary, not overlapping - relates-to: [[greg-isenberg-bootstrap-distribution.md]] — distribution-first growth; Cold Start adds the atomic-network discipline beneath it - relates-to: [[bizbuilder-v1-research-instrument.md]] — BizBuilder's reason to exist (getting vibe-coders past 0 traction) IS the Cold Start Problem; this book is its product playbook - relates-to: [[perf-marketing-playbook.md]] — …
Source: src/lib/bricks/sources/andrew-chen-cold-start-problem.md