January 2026
Wanted to read, didn’t
- https://notstatschat.rbind.io/2025/12/01/horses-or-zebras/ - on Bayes.
- https://alignment.anthropic.com/2025/selective-gradient-masking/ - Ant research.
- https://arpitbhayani.me/blogs/qkv-matrices - Q, K, V matrices explained.
- https://www.factorysettings.org/p/the-chips-investment-process-move - the CHIPS act architects explaining themselves.
- https://www.bitsaboutmoney.com/archive/perpetual-futures-explained/ - patio on perps.
- https://www.bitsaboutmoney.com/archive/gift-card-accountability-sink/ - explaining the gift card industry.
- https://andrewbatson.com/2025/12/28/the-best-music-i-heard-in-2025/ - jazz, lots of jazz
- https://danwang.co/2025-letter/ - the GOAT
- https://avehtari.github.io/BDA_course_Aalto/Aalto2025.html - course on bayesian data analysis
Read, liked
- https://www.scientificdiscovery.dev/p/salonis-guide-to-data-visualization - Saloni tips on data viz.
- https://lemire.me/blog/2025/12/05/why-speed-matters/ - exhortations.
- https://www.flowstate.fm/p/flow-state-best-of-2025 - really good work music.
- https://www.henrikkarlsson.xyz/p/2025 - Karlson on his first year as a full-time writer.
- https://www.astralcodexten.com/p/you-have-only-x-years-to-escape-permanent - an argument for trying.
- https://byfire.substack.com/p/2025-buy-side-quant-job-advice - gappy giving advice I’m frankly past being able to use.
- https://newsletter.vickiboykis.com/archive/my-2025-in-production-in-review/ - MLE thoughts.
- https://www.thepsmiths.com/p/review-an-amish-paradox-by-charles - Psmiths taught me something new.
- https://marginalrevolution.com/marginalrevolution/2025/11/best-non-fiction-books-of-2025.html - I never read non-fiction books, their slot gets filled by substacks and emails, but this list is worth keeping.