Slash by 42Agency | Kamil Rextin | Substack

“Feels like AI”

Three words no creative wants to hear

Oct 28 • Jon McGreevy

You can’t sack Claude

I designed an AI-run agency. My customers killed it with one question.

Oct 5 • Kamil Rextin

Your 5K Media Budget Isnt Enough

Why you need to spend more then 5K/mo on media

Aug 17 • Kamil Rextin

You are ignoring this part of the market.

Why 95/5 might not be gospel

Jul 20 • Kamil Rextin

We Had an Attribution Problem. So I Taught HubSpot’s AI to Solve It

At 42 Agency, we work with clients who run complex revenue stacks.

Jun 8 • Jessica Magaña

Most Popular

On Category Creation

Dec 15, 2021 • Kamil Rextin and Sebastian Cuervo

Using HubSpot Sequences for Outbound > Burn Your Domain

Oct 14, 2025 • Kamil Rextin

Unlearn what you’ve learned about content marketing.

Mar 23, 2023 • Ronnie Higgins and Sebastian Cuervo

How we use AI at 42

Jun 23, 2025 • Kamil Rextin and Alejandra Céspedes

Slash by 42Agency

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