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Our Past Volumes


The Collaborator by CrossLetter #10

Aug 14, 2026

Score every cross-promotion swap so you know exactly who's worth repeating.

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The Collaborator by CrossLetter #9

Jul 31, 2026

Building a media kit that actually sells

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The Collaborator by CrossLetter #8

Jul 17, 2026

Expanding cross-promotion beyond newsletters

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The Collaborator by CrossLetter #7

Jul 3, 2026

Finding the "right" sponsorship model

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The Collaborator by CrossLetter #6

Jun 19, 2026

Avoiding a cross-promotion flop

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The Collaborator by CrossLetter #5

Jun 5, 2026

What sponsors actually look for

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The Collaborator by CrossLetter #4

May 22, 2026

Getting your cross-promotion emails right

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The Collaborator by CrossLetter #3

May 8, 2026

Curating your ideal inbox (or cross-promotion list)

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The Collaborator by CrossLetter #2

Apr 24, 2026

The start of something pretty amazing!

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The Collaborator by CrossLetter #1

Apr 10, 2026

The start of something pretty amazing!

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