Reletter
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A publication by and for technologists.

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Substack
PricingOnly free issuesPublishesWeekly
Issues231Founded6 years agoLast Issue2 months ago
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Latest Issues

Automation’s appetite for human traces

Today, models are trained on a corpus of knowledge, composed of what humans have chosen to record and the traces they’ve left behind. Building agents that work like experts requires codifying tacit expertise: procedural knowledge that is so...

2 months ago
15
1

How We Became (Ir)rational

Over the course of the last century, one particular, calculating form of rationality has gone from a narrow mathematical framework to an organizing logic for much of society. Mathematical rationality has become part of how we understand eve...

2 months ago
24
3

Kernel 6 Pitches Now Open!

Hi all,

I’m very excited to announce that pitches for the sixth issue of Kernel Magazine are now open!

TL;DR: submit your pitches here (nonfiction) or here (creative) by February 20.

KERNEL 6: FEED

Kernel 6’s theme is FEED. In this...

3 months ago
37

Training LLMs On My Loved Ones' Data

Highly-paid “expert” data labelers are behind many of the most recent advances in AI capabilities, even as these workers experience the same indignities as earlier generations of online gig workers. Today’s essay highlights the absurdity of...

4 months ago
42
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Reboot's Ins & Outs for 2026

Here at Reboot, we don’t tend to think of ourselves as forecasters. But the start of a new year is the ideal excuse to share our rigorously vibe-researched tech and culture predictions, from the future of academia to microsite design trends...

5 months ago
22
1

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Authors

The writers behind this newsletter.

  • Jasmine Sun

    anthropologist of disruption ✰ atlantic contributor ✰ san francisco

  • jacob sujin kuppermann

    Writer/researcher/mapmaker about ecology/music/politics/the future

  • Shira Abramovich

    translator, researcher, printmaker, lover

  • Hannah Scott

    writer, arts worker in san francisco

  • circe

    amusingly bitchy bon vivant

  • Hamidah Oderinwale

  • Quincy Mackay

    Quincy Mackay is a freelance culture journalist based in Berlin. He writes about the places where art interests with politics and history.

  • jessica dai

    Hi! I'm a PhD student in computer science at UC Berkeley and cofounder/ editor-in-chief of Reboot.

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