The Daily Index — Tuesday, September 16, 2025 · TLDR Index

BIG TECH & STARTUPS

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OPENAI UPGRADES CODEX WITH A NEW VERSION OF GPT-5

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techcrunch.com · 2 min

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CUBESATS ARE FASCINATING LEARNING TOOLS FOR SPACE

It's possible to build a space-ready CubeSat using just a few thousand dollars of parts. Many CubeSats use Raspberry Pis and other off-the-shelf components. This post introduces CubeSats and shows readers how they can build their own CubeSats. It also covers several CubeSat projects by other creators.

jeffgeerling.com · 10 min

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THE LAST DAYS OF SOCIAL MEDIA

Genuine human content is increasingly being sidelined by algorithms. Engineered content and AI slop optimized solely for clicks are being prioritized. Early social media was built for connection. The generative AI-fueled attention economy has broken that illusion. Feeds are no longer crowded with people, but with content.

noemamag.com · 32 min

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TASTE

Taste is humanity's last edge over AI.

moderndescartes.com · 8 min

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WHY AREN'T YOU A GOOD FIT?

Asking candidates why they shouldn't be hired is a good filter.

newsletter.antoniokov.com · 5 min

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STRINGWA.RS ON GPUS: DATABASES & BIOINFORMATICS 🦠

StringZilla is a string library that uses SIMD and SWAR to accelerate string operations on modern CPUs.

ashvardanian.com · 16 min

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HOW PEOPLE ACTUALLY USE CHATGPT VS CLAUDE - AND WHAT THE DIFFERENCES TELL US

Most ChatGPT usage is not work related, while Claude is used more for automation, especially coding.

zdnet.com · 8 min

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THE 4P DEVELOPER: THE MISSING LAYER IN PLATFORM THINKING

4p developers, the developers that build tools for other developers on platforms, are the fourth party that makes platforms explode.

davidpoll.com · 13 min

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PROGRAMMING DEFLATION

Understanding, integration, and judgment will be the differentiators that separate signal from noise.

tidyfirst.substack.com · 5 min