Hacking Growth isn’t just another startup book—it’s a strategic blueprint used by companies like Airbnb, Dropbox, LinkedIn, and Uber to fuel explosive, sustainable growth. Co-authored by Sean Ellis—the marketer who coined the term “growth hacking”—and Morgan Brown, this book breaks down the science behind how today’s most agile companies rapidly experiment, optimize, and scale.

Instead of relying on guesswork or traditional marketing campaigns, Hacking Growth introduces a repeatable system rooted in data, cross-functional collaboration, rapid testing, and product-led innovation. It’s designed for teams that want more than just vanity metrics—they want real traction.

From early-stage startups to mature brands looking to break through plateaus, this book teaches you how to build a growth engine that evolves with your customers, adapts in real-time, and compounds results over time.


Top 10 Lessons from Hacking Growth

1. Growth Is a Team Sport

Growth doesn’t live in the marketing department alone. The most successful companies bring together product, data, design, and marketing into one unified growth team focused on experimentation and results.

2. Start with the “North Star” Metric

Growth hacking starts by identifying your one metric that matters—a key indicator of true customer value. It’s not just about signups or clicks, but engagement that reflects product-market fit.

3. Small Experiments Drive Big Results

Breakout success often starts with simple, low-cost experiments. By testing headlines, user flows, features, and retention loops rapidly, you learn what works without burning cash or time.

4. Understand the Full Funnel

True growth requires optimizing the entire customer journey—from acquisition to activation, retention, referral, and revenue. Skipping one stage creates leaks that slow momentum.

5. Product Is Your Best Marketing

In high-growth companies, the product itself does the heavy lifting. Features like referral loops, in-app prompts, and onboarding flows are intentionally designed to attract and retain users.

6. Customer Insight Fuels Smart Growth

Quantitative data tells you what is happening, but qualitative research reveals why. Growth hackers blend analytics with real user feedback to design smarter experiments and better experiences.

7. Speed Wins—But Only When It’s Structured

Velocity matters, but chaos kills growth. Use structured sprints, defined testing processes, and tight feedback loops to move fast without breaking what works.

8. Don’t Chase Hacks—Build Systems

Short-term hacks may create spikes, but sustainable growth comes from building repeatable, scalable systems. Focus on process, not just clever tricks.

9. Retention Is More Powerful Than Acquisition

Acquiring new users is expensive. Keeping them is where real growth happens. By solving churn and increasing value over time, companies build compounding growth engines.

10. Growth Is Never “Done”

Even the fastest-growing companies never stop testing, learning, and iterating. Growth hacking is a mindset—a culture of curiosity, agility, and continuous optimization.


Hacking Growth is essential reading for entrepreneurs, marketers, product teams, and startup operators who want to turn raw potential into lasting performance. It doesn’t just teach you how to grow—it teaches you how to build a company where growth becomes inevitable.

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