The Perimeter
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The Perimeter — daily brief

The teardowns & playbooks behind
GTM engineering.

For the GTM engineers, RevOps leads, and technical founders building the systems that grow startups. We reverse-engineer how the fastest-growing companies actually did it — and interview the people who built it.

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What you get

Real teardowns.
Real operators.
No vendor pitches.

We reverse-engineer how fast-growing startups actually built their go-to-market — the stack, the channels, the signals — and interview the GTM engineers running them. Tools and tactics you can ship Monday, in plain operator voice.

What’s in each issue
  • 01A teardown of how one fast-growing startup engineered its growth — the stack, channels, and the clever move
  • 02The GTM tools and automations that actually moved a number — with the real setup, not the demo
  • 03A GTM engineer interview — how they wire Clay / HubSpot / Salesforce / Apollo together
  • 04One “steal this” play you can ship this week
  • 05A short editor’s take — the “what would I actually build on Monday morning” angle
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building the next $100M startups.

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