Patrick Rodriguez Justin Skycak Normally, an LLM prompted like this will generate a bit of a word salad, that talks about nice things, but doesn't produce actionable steps. The first key is to prompt it using Justin's paper, and it'll get down to brass tacks and give you specific actionable steps that you can

“For every dollar a grandmother in Iowa donates believing she's saving democracy, 98 cents goes to consultants and operational costs. Just pennies reach actual campaigns.” data4democracy.substack.com/p/the-mothersh…

The next time someone says: "We don't need more LUXURY housing, we only need more AFFORDABLE housing" ... show them the facts. Pew study: When you build a lot of "luxury" apartments (which are rarely luxurious btw), rent growth SLOWS MOST in older, more affordable units.

Just $1 can help avert 10 years of farmed animal suffering. I decided to give $250,000 as a donation match to FarmKind after learning about the outsized opportunities to help. FarmKind directs your contributions to the most effective charities in this area. Please

Goldman's latest (still very early) analysis of tariff effects thru June 2025: -Foreign exporters absorbed 14% of US tariffs -US companies ate 64% -US consumers ate 22% -Protected US companies also raised prices -Consumers will see bigger price increases (70%) thru the Fall

I just published a review of The Math Academy Way by Justin Skycak focused on the concepts most useful to autodidacts: the knowledge graph, automaticity, and memorization. Plus bonus tips and tricks

This is really really good nytimes.com/2025/08/13/opi…

America is far less discriminatory against women and Blacks now than it was in the past. If people are now more able to pursue their comparative advantage, how much richer are we as a result? HHJK estimate that around a third of US growth is due declining discrimination! 1/

Our paper on the long-term effects of Trump 2.0 tariffs is published in the JIE (open access link below). TLDR: While tariffs may deliver short-term revenues & welfare gains for the US, the long-term cost of undermining global cooperation is enormous. A thread on key results🧵

New post: Myron Gookin, who recently retired as an Iowa state judge, allowed me to republish his remarkable Facebook post, which went viral here. "I grew up an Iowa Republican. This is not your parents' Republican Party" bleedingheartland.com/2025/08/15/i-g…

From Myron Gookin's viral Facebook post: "This is a Republican Party of the self-absorbed rich—insatiably addicted to power and money. This is a Republican Party of the few, who are hell-bent on gutting democracy and the rule of law to enrich themselves." bleedingheartland.com/2025/08/15/i-g…

I’m excited to share our new nature paper 📝, which provides strong evidence that the walkability of our built environment matters a great deal to our physical activity and health. Details in thread.🧵 nature.com/articles/s4158…

handmade search engine that can scrape 50k pages / sec and answer natural language questions blog.wilsonl.in/search-engine/

I am sure you would love it. Sending you a pdf copy. Since you asked specifically for this “genre,” I am going to place more books of this type in this thread.

The amount of alpha in this post is off the charts seangoedecke.com/good-system-de…

How costly are poorly written laws? A team of Italian researchers argue that the drafting of Italy’s laws alone costs them 5% of GDP — or $120 billion a year! 1/

found new "every programmer should read"; last time it was about floating point arithmetic took me few months to read it but it was worth.

Dr. Alexander Zawacki if you're slightly less curious than I was: science.org/content/articl…

LLM inference engine using C++ and CUDA from scratch without libraries. andrewkchan.dev/posts/yalm.html

AI in HR: in an experiment with 70,000 applicants in the Philippines, an LLM voice recruiter beat humans in hiring customer service reps, with 12% more offers & 18% more starts. Also better matches (17% higher 1-month retention), less gender discrimination & equal satisfaction.