Newsletters Blew Up in 2025 + Twitter vs Substack

January 7, 2026 |
Keenen Charles

Happy New Year! 2025 was another huge year for newsletters and this week we have a look at how it reached a fever pitch. Plus, Twitter continues its feud with Substack by flagging links as unsafe.

Also the featured newsletters this week cover writing, business, strategy, and more!

📰 News & Articles

The Year the Newsletter Business Reached a Fever Pitch

Writers, investors and pop stars alike are building new media businesses to connect directly with readers and fans.

Why publishers are building their own creator networks

As more publishers look to diversify their revenue streams, many are turning to creator networks as a way to tap into new audiences and revenue opportunities.

What I Learned About Newsletters in 2025

Dan Oshinsky shared what he learned from working with about a hundred different newsletters in 2025 — and what you need to know about growth, AI, and staying relevant in the inbox.

Twitter flags Substack links as unsafe as feud continues

Twitter has seemingly continues to discourage promoting offsite Substack posts by marking all site links as 'unsafe' for users.

The State of Newsletters In 2025

The 6th annual state of newsletters report, covering trends, growth, and opportunities in the newsletter space.

⭐ Featured Newsletters

Aude Konan's Substack

Writing and communication tips from a published writer

Backstory & Strategy

The Truth Behind The Tactics

TheTopRanks

Weekly top 5s on money, AI tools, and side hustles

Word of the Day

A free daily email for word lovers everywhere.

Silicon Brief

Weekly AI chips, and Data Center News.

See Ya

This is our weekly newsletter covering tips and tools for newsletter operators and everything else happening in the email newsletter space. Hope you enjoyed it!

Keenen Charles

Keenen is the creator of InboxReads and a believer in the future of newsletters and email for sharing great content.

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