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Writes Stratechery, a subscription newsletter on the business and strategy of technology, and hosts the Dithering and Sharp Tech podcasts.

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  Making AI agent hardware and software free to consumers dramatically lowers the barrier to entry and brings AI's benefits to ordinary people who otherwise wouldn't adopt it.

  Their words

  what Meta has assembled is free (to consumers) hardware and software that dramatically reduces the barrier to entry for ordinary people looking to harness the power of agents, making the AI upside a lot more accessible to the masses who don't want to buy a Mac Mini.

  2026.37: Duo Threatsstratechery.com

Physician and neuroscientist at the University of Washington; researches brain health, metabolism and athletic performance.

From one piece Accelerate Learning & Increase Cognitive Capacity | Dr. Tommy Wood 2 beliefs, in the piece's order there

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  Training visual processing speed in later life lowers dementia risk two decades later, which continuing to do what you are already good at does not.

  Their words

  They just published a secondary analysis of the active trial that showed that um those who did processing speed training with uh booster sessions at one and three years had a significantly decreased risk of dementia 20 years later.

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  High-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training.

  Their words

  This study directly shows that working really hard, releasing a lot of cortisol in high-intensity interval training actually improves hippocample structure and function um over over time.

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Coffee consultant and author of books on espresso, roasting and brewing, including The Professional Barista's Handbook and The Coffee Roaster's Companion; writes about brewing gear and roast control at scottrao.com.

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  Brewing coffee with too deep a bed forces a coarser grind, which lowers extraction efficiency and wastes coffee grounds.

  Their words

  If a bed is too deep, one has to use a very coarse grind. The result in the cup may or may not be good enough, but the extraction level will be low, which is inefficient, in the sense of wasting coffee material.

  Bed depth: why it mattersscottrao.com

Demographer; writes on fertility, marriage and population, and directs the Pro-Family Initiative at the Institute for Family Studies.

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  Richer countries have fewer children than poor ones, but within a country a boom raises births and a bust lowers them.

  Their words

  Although the cross-sectional relationship between national income and fertility is negative, the longitudinal relationship between national income and fertility is positive: economic booms create baby booms, economic busts create baby busts.

  Falling Fertility Is Not About Opportunity Costlymanstone.substack.com

Freelance research analyst and writer of the blog Aceso Under Glass, known for 'epistemic spot checks' of non-fiction claims.

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  Cortisol promotes fat storage and muscle breakdown and increases insulin resistance.

  Their words

  empirically cortisol promotes fat storage and muscle breakdown, and increases insulin resistance.

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Writer and novelist. Publishes essays and book notes at nateliason.com; author of the novel Husk and of Crypto Confidential.

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  As AI lowers the barrier to building software, personal taste becomes a more valuable differentiator.

  Their words

  But along with the question of what you're willing to maintain, as the barriers to creation drop the value of taste will only increase.

  The Past and Future of Vibe Codingnateliason.com

Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.

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  A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling.

  Their words

  what you are try like trying to do as a tool maker, as an infrastructure builder, um as a product maker is you want to make a uh tool that brings the floor up significantly, but doesn't constrain the ceiling. And that is extremely hard.

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Professor at Berkeley working on robot learning; co-founded Physical Intelligence, and argues that robots will learn from data rather than be programmed.

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  Better AI makes robots cheaper, because cheap visual feedback removes the need for expensive mechanical precision.

  Their words

  So traditional robots and factories uh they need to make motions that are highly repeatable and therefore it requires a degree of precision and robustness that you don't need if you can use cheap visual feedback. So AI also makes robots more affordable uh and lowers the requirements on the hardware.

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Chairman and chief executive of JPMorgan Chase, which he has led since 2005 after turning around Bank One.

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  A margin only counts while you are still investing heavily, because cutting the investment raises this year's margin and lowers the long-term one.

  Their words

  we can cut billions of dollars of marketing out tomorrow. We can stop opening branches and save a billion dollars next year. We could do a lot of things. Your margins will go up. Your growth will go down. Your long-term margins will probably get worse.

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