Reletter
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Intellectual Journal - essays, stories, reflections

Platform
Substack
PricingOnly free issuesPublishesTwice weekly
Issues502Founded4 years agoLast Issue8 days ago
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samkahn.substack.com
Artwork for Castalia

Latest Issues

Are Ethics Really Just Technology?

We were having a conversation in Intellectual Bootcamp — which has been really great by the way, I recommend you join! — and Steven Levy (I’m pretty sure) asked a question about communicative technologies and how they relate to ethics and I...

8 days ago
32
6

Andrey Mir's Digital Reversals

ANDREY MIR’s Digital Reversals, 2025

Holy shit, this is a great book. I’d been somewhat aware of Mir — he’s on this platform, I think I rejected an article of his once — but I wasn’t ready for the distilled brilliance of this book, which s...

18 days ago
25
9

Can Literature Uncouple From the Market?

Dear Friends,

I have a piece up in on Trump and political realism.

Best,

Sam

CAN LITERATURE UNCOUPLE FROM THE MARKET?

Here’s what literature means to me, and why it appeals to me, roughly in order of priority:

  • It’s ambitious. It...
20 days ago
59
16

David Graeber's Bullshit Jobs

Dear Friends,

This is part of a recurring series — pieces reflecting on texts from “Intellectual Bootcamp.” If you would like to join the Bootcamp, which meets Fridays at 12pm EST, all you need is a paid subscription to .

Best,

Sam

DA...

25 days ago
23
2

Martin Gurri's Revolt of the Public

I’ve written about and The Revolt of the Public many times here. The book, for me, was a kind of cheat code to the whole period from, say, 2014-2024, when just about everything that happened seemed to map onto the conceptual frame that Gur...

a month ago
9
1

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Authors

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  • Sam Kahn

    Sam Kahn writes the Substack Castalia.

  • A. A. Kostas

    I write fiction, poetry, essays, and reviews. Author of LUMINOX (poetry, 2026) and THE PILGRIMS (novel, coming soon). And I'm always seeking Him.

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