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Growth Curve

The weekly newsletter for business owners and marketers who want to understand how media brands actually generate revenue.


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Previous Editions

How The Hustle Turned Its Audience Into a $27 Million Business

Aug 6, 2026

•

4 min read

How The Hustle Turned Its Audience Into a $27 Million Business

Field notes for Builders, from Builders

David Campbell
David Campbell
How Two Strava Operators Built a National Sports Publication One City at a Time

Jul 30, 2026

•

3 min read

How Two Strava Operators Built a National Sports Publication One City at a Time

Field notes for Builders, from Builders

David Campbell
David Campbell
How Axios Turned Its Editorial Formula Into a Software Business

Jul 23, 2026

•

3 min read

How Axios Turned Its Editorial Formula Into a Software Business

Field notes for Builders, from Builders

David Campbell
David Campbell
Inside The Information's 13-Year Anti-Advertising Triumph

Jul 16, 2026

•

3 min read

Inside The Information's 13-Year Anti-Advertising Triumph

Field notes for Builders, from Builders

David Campbell
David Campbell
How Morning Brew Built 8 Professional Audiences From One Consumer List

Jul 9, 2026

•

3 min read

How Morning Brew Built 8 Professional Audiences From One Consumer List

Field notes for Builders, from Builders

David Campbell
David Campbell
How a Plain Daily Newsletter Reached 4.6 Million Readers

Jul 2, 2026

•

3 min read

How a Plain Daily Newsletter Reached 4.6 Million Readers

Field notes for Builders, from Builders

David Campbell
David Campbell
How a One-Man Blog Written From Taipei Turned Into a Multimillion-Dollar Subscription Business

Jun 25, 2026

•

3 min read

How a One-Man Blog Written From Taipei Turned Into a Multimillion-Dollar Subscription Business

Field notes for Builders, from Builders

David Campbell
David Campbell
How a Member-Owned Co-op Turned Its Catalog Into One of the Largest Outdoor Publishers in America

Jun 18, 2026

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3 min read

How a Member-Owned Co-op Turned Its Catalog Into One of the Largest Outdoor Publishers in America

Field notes for Builders, from Builders

David Campbell
David Campbell
How a Weekly Email From Gwyneth Paltrow's Kitchen Built a $250 Million Wellness Brand

Jun 11, 2026

•

3 min read

How a Weekly Email From Gwyneth Paltrow's Kitchen Built a $250 Million Wellness Brand

Field notes for Builders, from Builders

David Campbell
David Campbell
How Two NBC Producers Built One of the Most Trusted Daily News Brands for Women

Jun 4, 2026

•

3 min read

How Two NBC Producers Built One of the Most Trusted Daily News Brands for Women

Field notes for Builders, from Builders

David Campbell
David Campbell
How a Tech Newsletter Tested Whether a Subscription Business Could Survive Leaving Its Distribution Platform

May 28, 2026

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3 min read

How a Tech Newsletter Tested Whether a Subscription Business Could Survive Leaving Its Distribution Platform

Field notes for Builders, from Builders

David Campbell
David Campbell
How an Irish Brewery Built the Authority on Human Achievement

May 21, 2026

•

4 min read

How an Irish Brewery Built the Authority on Human Achievement

Field notes for Builders, from Builders

David Campbell
David Campbell
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