Browse Case Studies

Bebo was a social networking platform launched by Michael Birch in January 2005 that achieved viral growth with a 3.5 viral coefficient, reaching 1 million users in just 9 days. Birch built Bebo by reapplying lessons from his previous viral success with Birthday Alarm, focusing on inherent virality through address book imports and photo sharing. The company raised $15 million and was ultimately sold to AOL for $850 million in 2008, though it faced challenges competing with Facebook's real identity focus and superior funding.

Amber is a Bitcoin dollar-cost averaging app launched by Alex Svetski ('Angry Alex'), a serial entrepreneur and Bitcoin advocate. The app allows users to passively accumulate Bitcoin starting from as little as $5/day through spare change rounding or recurring buys, with Bitcoin stored in cold storage. After a public beta ending in late 2019, Amber launched fully in Australia, addressing the three main barriers to Bitcoin adoption: risk perception, volatility, and complexity.

The League is a curated dating app for ambitious professionals that launched in November 2014 with 419 users from Amanda's Stanford and professional networks. By the time of this interview (2020), the app had grown to over 100,000 daily active users across 70 cities globally, achieved profitability by end of 2019, and Amanda had recently gotten engaged to someone she met on the app itself.

1729 is a newsletter-based platform that pays users in cryptocurrency to complete micro-tasks, learn new skills, and earn portable crypto credentials (badges). Founded by Balaji Srinivasan, it represents a reaction against the 'entropic internet' by offering deliberate, rewarding content consumption and skill-building through verified on-chain credentials, with ambitions to become a job board and credentialing system for the crypto-native future.

Blocker X (formerly Fund Switch Technology) is a YC-backed digital wellness app helping people overcome pornography and social media addictions. The company started as a Chrome extension with 600k+ users and pivoted to mobile-first with a 1M+ install base on Android, combining blocking technology, community support, and gamification.

Amit Agarwal is a one-man operation in India generating between $15-30 million annually through a suite of 14+ plugins for Google Workspace. Starting as a tech blogger writing tips and tricks on his Digital Inspiration website, he built plugins including a mail merge tool for Gmail (7.5M downloads), Document Studio ($79/year), and custom enterprise solutions for companies like Airbus, LinkedIn, and Disney. His freemium model with premium tiers ($39-79/year) demonstrates the massive revenue potential of niche productivity tools.

Syed Balkhi bootstrapped WP Beginner, a WordPress education blog, into a billion-dollar portfolio company by age 32. Starting from nothing (his father was a gas station clerk), he built WP Beginner to 2-5M monthly visitors and $100M+ annual revenue, then systematically acquired 30+ complementary WordPress products (OptinMonster, Divi, MonsterInsights, etc.), applying real estate philosophy principles like 'making money on the buy' and 'heads I win, tails I don't lose much' to identify mismanaged gems and unlock hidden revenue streams.

Co-Fertility is a marketplace that bundles egg freezing with egg donation to solve the affordability problem in fertility services. By offering free egg freezing to women who agree to donate half their eggs, and charging $13,700 to recipients seeking eggs, the company creates a two-sided marketplace addressing a growing market (20,000 US women froze eggs in the prior year) with a controversial but strategic business model designed to generate earned media.

GeoGuessr is a game where players guess random locations based on Google Street View imagery. Launched in 2013 by a Swedish software engineer as a side project, it grew slowly until the pandemic hit in 2020, when a paywall was introduced after Google increased API costs 14x. Revenue exploded from $467k in 2019 to $21M in 2023 with $11M EBITDA, driven by viral TikTok and YouTube creators, and now has 50M registered users and 50 employees.

Price Satellite is an SEO-driven comparison tool built by 14-year-old Isaac that helps luxury travelers identify price differences for high-end brands across countries, accounting for VAT and currency conversion. Launched recently with around 30-50 daily visitors from organic search, the site leverages AI for web scraping, product categorization, and descriptions. Isaac's monetization strategy combines Google Ads with affiliate partnerships from reseller platforms like The RealReal.

Oasis is a freemium water quality app founded by Cormac that aggregates free government water testing data and makes it easily accessible. The app started at $10k/month revenue and has grown to $40k/month ($480k ARR) by creating viral TikTok videos about water contaminants. Users pay $45-50/year for detailed reports and independent testing data, while the company earns affiliate revenue from water filter recommendations.

IdeaBrowser is an AI-powered idea generation platform that uses agents to discover trending business opportunities and validate them against founder skills. Created by Greg Eisenberg as a productized version of his internal idea-finding methodology, it provides daily business ideas with trend analysis, founder-fit scoring, and comprehensive go-to-market strategies. The platform hasn't been publicly launched yet but represents a potential high-value SaaS play in the entrepreneur tools space.