2026-08-01 Social Tech Briefing Summary

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How do you survive +4 rounds of interviews? (Blind)

Robinhood / Snowflake / Anthropic / Databricks (Blind)

The Future Of Social Networks? (Blind)

Reddit Stock Collapses 23% as AI Eats Away at User Growth (r/technology)

BMW Is Showing Full-Screen Ads on Its Cars’ Main Dashboard Control Display (r/technology)

LeetCode MEDIUM 116 Populating Next Right Pointers in Each Node Summary

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Quick facts

Problem gist

Each node in a perfect binary tree has an extra next pointer. The task is to make that pointer lead to the node immediately to its right on the same level, or to None when the node is the level’s last one.

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Scientific American 202507 Impossible Teal Summary

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A Color beyond the Ordinary Palette

Human color vision seems broad, but it is constrained by the way light reaches the eye. The retina contains three kinds of cone cells: S cones respond most strongly to shorter wavelengths associated with blue, M cones to medium wavelengths associated with green, and L cones to longer wavelengths associated with red. The brain combines their signals into the colors people consciously experience.

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Techmeme 20260801 Ten Advances in Mathematics and Theoretical Computer Science Summary

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Techmeme surfaced OpenAI’s August 1 publication, “Ten advances in mathematics and theoretical computer science,” which says an internal version of its next major model, Astra, produced ten new results across fields ranging from sphere packing and group theory to quantum complexity and lattice cryptography. OpenAI describes the underlying problems as having seen no progress on their main result for at least a decade, and often much longer.

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The Economist 20260718 Distilled distress Summary

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Oil markets are sending a misleadingly calm signal. Even after renewed fighting around the Strait of Hormuz, Brent crude remains well below its April peak. Yet the fuels people and businesses actually use - petrol, diesel and jet fuel - are scarce and expensive. The reason is that the global energy shock has shifted from oil wells to refineries: the world has enough crude, but too little capacity to turn it into usable products.

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Scientific American 202606 The Ethics of AI Art Summary

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Knowing How the Image Was Made

People often discuss AI art as though dislike of it were mainly aesthetic: perhaps viewers find it bland, derivative or emotionally hollow. “The Ethics of AI Art,” by neuroaesthetics researcher Ionela Bara, points to a different source of resistance. In her experiments, learning more about how an image generator works changed people’s moral judgments without changing how much they liked the resulting pictures.

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TBPN 20260730 Martin Shkreli Breaks Down the Collapse of Situational Awareness Summary

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TBPN surfaced the piece through its July 30 standalone interview, Martin Shkreli Breaks Down the Collapse of Situational Awareness. The episode uses the abrupt unwinding of Leopold Aschenbrenner’s AI-focused hedge fund to explain a durable financial lesson: an investment thesis can remain broadly right while the trade built around it fails.

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The Economist 20260718 Who holds the cards? Summary

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The contest over global finance is shifting from currencies to the infrastructure that moves money. America still dominates that infrastructure through the dollar, its banks and firms such as Visa and Mastercard. Yet governments increasingly see dependence on American payment rails as a strategic vulnerability. Their response is to build national and regional alternatives - a trend that could weaken American financial power while making the global system more costly and fragmented.

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2026-07-30 Social General Briefing Summary

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Epstein, 46 others linked to decades of sex assaults at Interlochen, over 70 victims (r/news)

Red Cross declares crisis over blood supply shortage in US for second time its history (r/news)

Women of Reddit: What did a guy do on the first date that instantly made you decide there wouldn’t be a second? (r/AskReddit)

What is a hobby that requires little to no money? (r/AskReddit)

Atheists, how do you deal with the fear of death? (r/AskReddit)

2026-07-30 Social Tech Briefing Summary

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MSFT up 8% AH. What happened? Did Satya resign? (Blind)

Make sure you exceed expectations at Meta! (Blind)

Three of Meta’s worst directors are now at Google (Blind)

“Clapping Is a First Amendment Right:” An Interview With the Person Arrested for Clapping at a Data Center Meeting (r/technology)

Innocent man spends 18 months in prison after Skyrim username mixup (r/technology)