A startup growth book by Cliff Lerner

Explosive Growth

A Few Things I Learned While Growing To 100 Million Users - And Losing $78 Million

The playbook behind 120M+ users, with $0 in marketing.

“Top Growth-Hacking Business Book”
Entrepreneur
“Best Growth Hacking Books”
Online Books Review
Buy Explosive Growth by Cliff Lerner on Amazon
The story

Less than a month of money left

So we put our dating app on Facebook, then an unknown platform. No plan B. Then it exploded: 100,000 new users in a single day. Then came the hard part: staying on top.

120M+
users signed up
$100M+
total revenue
2,000%
stock price climb
On screen

See it on CNBC and Bloomberg

Cliff was on his way to the office when CNBC’s Maria Bartiromo called. The stock had just gone up 1,100% in a single week.

All interviews and clips →

Inside the tactics

Steal these 6 lessons

Your product probably sucks. Here’s why.

“Pretty good” gets ignored. If your users aren’t selling it for you, it isn’t good enough yet.

“A marginally better product is worthless. It needs to be at least ten times better.”

The playbook: 100,000 users in a day

The viral loops that grew our dating app with $0 in marketing.

Inside the chapter “The Growth Rocket”

Your metrics are lying to you

You’re tracking vanity numbers that feel good and mean nothing. We’ll tell you the only 3 that matter.

“Building product without robust analytics is like driving blindfolded. It won’t end well.”

Your data is gold

How to turn your data into stories reporters can’t ignore, with our 5-step playbook for endless viral press.

The tactics behind coverage in The Wall Street Journal and The New York Times

How Tinder cracked the code

Tinder didn’t make online dating better. It made it fun. See what it spotted that every competitor missed, and how to find your own 10X edge.

Read the Tinder case study →

What founders don’t post on LinkedIn

The constant fires, the wild highs, the gut-punch lows: what running a startup really looks like.

“When a billionaire wants to work with you, never say no.”

Who it’s for

Who should read Explosive Growth

Founders

The playbook for your first 100,000 users: what to build, how to make it spread, and what to skip.

Operators and marketers

Viral loops, media hacks, and the only 3 metrics that matter, from the team that grew to 120M+ users.

Praise

Loved by founders, investors, and operators

Brutally honest, often very funny, and reads like a thriller.

“A must read for founders and CEOs who want to achieve rapid growth while also building a great product.”
Payal KadakiaFounder & Executive Chairman of ClassPass
“Cliff has lived the rollercoaster of viral apps and startups. His first hand account is both insightful and entertaining.”
Brian BalfourFounder/CEO at Reforge, former VP of Growth at HubSpot
“Want to know how to grow your startup to 100 million users? Then this is the book for you.”
EntrepreneurRead the review ↗
“Cliff Lerner’s Explosive Growth is a useful and entertaining read with tips on how to achieve and sustain growth for your business.”
Baylor UniversityRead the review ↗
Inside the book

13 chapters, from Lehman Brothers to a reboot

Each chapter pairs a raw, often hilarious story from inside the startup with the growth lessons behind it.

Open pages of Explosive Growth
  1. My Epiphany at Lehman Brothers
  2. The Early Lessons Learned from IAmFreeTonight.com
  3. Does Our Product Suck?
  4. Bet The Company
  5. The Growth Rocket (100,000 New Users in One Day!)
  6. From Revenues of $3 Million to $19 Million in Two Years
  7. My $78 Million Week
  8. Successful on the Outside, Scrambling on the Inside
  9. Solving Problems and Sustaining Growth through Vision, Values, and Data
  10. Tinder Cracks the Code
  11. My Innovator’s Dilemma
  12. Making “The Grade”
  13. My Reboot
Cliff Lerner
About the author

Cliff Lerner

Founder, investor, and author. A Cornell graduate who started as an equity analyst at Lehman Brothers, Cliff co-founded Snap Interactive with his brother Darrell, and later served on the board of Bumble’s parent company. Today Cliff usually has five or more companies in flight across consumer social, dating, and fintech.

EY Entrepreneur Of The Year 2012 Finalist, New YorkDeloitte Technology Fast 500 #36 overall · 4,412% revenue growthCo-founder, Snap Interactive First social media company to go public · 120M+ usersAuthor, Explosive Growth Published in 6 countries

Full bio, videos, and press →
FAQ

Frequently asked questions

What is Explosive Growth about?

Most startup books show you the glamour. Explosive Growth shows what it really costs: the all-in bets, the near-disasters, and the lessons Cliff paid for. It’s Cliff Lerner’s playbook from growing Snap Interactive’s dating app, AreYouInterested?, to more than 120 million users: viral marketing, PR, product, the three metrics that matter, Tinder and Bumble lessons, and staying on top.

Is Explosive Growth well reviewed?

Explosive Growth averages 4.5 out of 5 stars from 900+ reader ratings: 4.4 stars from 600+ Amazon ratings and 4.6 stars from 300+ Audible ratings. Entrepreneur called it a “Top Growth-Hacking Business Book,” Online Books Review lists it among the best growth hacking books, Blinkist and Cloudways include it among the best startup books, and Baylor University’s Keller Center Research Report reviewed it as “a useful and entertaining read.”

Has Explosive Growth been translated?

Yes. Beyond the United States, Explosive Growth has been published in China, South Korea, Poland, Taiwan, and Vietnam.

Where can I get Explosive Growth?

Explosive Growth is available on Kindle, in paperback, and as an Audible audiobook narrated by Daniel Greenberg.

Who is Explosive Growth for?

Founders, entrepreneurs, growth marketers, business and MBA students, and anyone who wants to know what building a startup is really like. It is not a glamour story: it pairs the hard-won lessons with the growth hacks behind them, from viral loops to press hacks. They are built on how people share, not on any one platform, so they still work today.

Is Explosive Growth good for business students?

Yes. It pairs a real startup story with lessons on growth strategy, culture, and hiring. Baylor University’s Hankamer School of Business reviewed it in its Keller Center Research Report (December 2019), calling it “a useful and entertaining read with tips on how to achieve and sustain growth for your business.”

Who wrote Explosive Growth?

Cliff Lerner co-founded Snap Interactive, the first social media company to go public, launched the world’s first dating and swiping app, was an EY Entrepreneur of the Year finalist, and served on the board of Bumble’s parent company. Under Cliff’s leadership, Snap Interactive ranked #36 overall and 9th in the Internet category on Deloitte’s 2012 Technology Fast 500.

Read the whole story

Beyond the book

Startup insights from founders

The best founder lessons from YouTube, X, Reddit and newsletters.