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Adam Mastroianni
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I’m running a prototype Science House this summer! It’s a great opportunity for anyone looking to do research outside academia. No application, just do some science, post it on the internet, and send me the link.
prototype academia opportunity
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18 September
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
Warren Buffett steps down as chairman of Berkshire Hathaway. “Serving as your Chairman has been the privilege of a lifetime, and I have never taken your trust for granted. Father Time always wins. He has, however, been generous with me. He has given me the opportunity to see Berkshire reach a point where I am more confident than ever about what lies ahead. The company is in excellent hands, and I look forward to remaining a shareholder alongside you.” Related
17 September
President of the European Commission since 2019; previously Germany's defence minister.
In yesterday’s SOTEU speech, I made clear that the EU must continue applying pressure on Russia, taking every possible step to weaken its war machine. The adoption of the Graham Bill by the US House of Representatives sends a clear message. My friend, Senator Graham, strongly believed targeted and coordinated action on both sides of the Atlantic could make the difference in ending the war. I hope this important opportunity is seized, in the interest of peace. Europe Russia Related
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
The Harness Margin Opportunity A UC Berkeley study finds the harness sets the price of an answer : GPT-5.6 Sol costs 71% less on Pi than on Claude Code, the same model returning the same result, & none of the 42 harness comparisons shows a statistica…
Anthropic OpenAI Related
16 September
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
13 September
Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.
+ The iPhone Duo opportunity for developers Related
12 September
Founded Bridgewater Associates in 1975 and led it until stepping back from control in 2022. Author of Principles, The Changing World Order and How Countries Go Broke; publishes economic analysis at economicprinciples.org.
In my own life, what I want to give to people, most importantly to people I love, is the power to deal with reality to get what they want. In pursuit of my goal to give them strength, I will often deny them what they "want" because that will give them the opportunity to struggle so that they can develop the strength to get what they want on their own. This can be difficult for people emotionally, even if they understand intellectually that having difficulties is the exercise they need to grow strong and that just giving them what they want will weaken them and ultimately lead to them needing… Related
9 September
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
Animal Spirits: Everywhere Millionaires The bull market in wealth The next financial crisis A buying opportunity in bonds? AI is crowding out bonds & construction spending The American Dream is still alive Is college still worth the cost? America Related
8 September
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
My biggest takeaways from Grok @Bot product lead @RomanUgarte_: 1. Two key early product decisions made Grok Bot the success it has become. First, everything runs in the cloud. This means bots can be kicked off from a phone and run while the user sleeps. Second, each bot has access to its own computer. This allows it to operate on tools that have no API because they can simply use the computer the way a human would. 2. “Unshipping” is a big opportunity in product right now. One of the most counterintuitive things the Grok Bot team did in the weeks between internal beta and public launch was r… Quoting @lennysan Grok @Bot is the hottest new AI product in the world right now. I'm absolutely hooked. It all started a few months ago as a tiny team holed up in a separate part of the office, building from scratch. Four weeks after the first line of code, the whole company was obsessed. Three weeks later, it laun… the cloud Related
7 September
Forecaster, founder of FiveThirtyEight, author of The Signal and the Noise and On the Edge. Writes Silver Bulletin, where the predictions come with numbers and the numbers are later checked against what happened.
6 September
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
When the written product no longer proves the learning process: the end of the essay-, the problem-set-, the take-home-exam-as-proxy. This is really an opportunity, or a challengatunity for all education. This is truly an opportunity to excel, in different ways for different institutions with different functions. So go read Halina Bennet on this, and then go read the MIT Report https://aiandeducation.mit.edu/report/>: **(NOT A) CROSSPOST: HALINA BENNET: The Return of Institutional Purpose [to... 1/ Related
5 September
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
An elaboration of the previous post mentioning the bounded gaps between primes problem as an illustration of the opportunity cost of converting a fruitful problem such as this solely into a competitive benchmark. [Indeed, as I point out below, this already came close to happening back in 2013.] As with most other problems worth studying in pure mathematics, the particular bound one gets on these gaps is not of much intrinsic importance. Improving Zhang's bound of 70 million, to 246, 188, or 6 would not, in itself, have significant impact on any other mathematical problem, let alone any real-w… benchmarks Related
Criminal defence lawyer in New York; writes Simple Justice, mostly about how criminal law works in practice rather than in theory.
Forecaster, founder of FiveThirtyEight, author of The Signal and the Noise and On the Edge. Writes Silver Bulletin, where the predictions come with numbers and the numbers are later checked against what happened.
1 September
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
OpenAI HuggingFace
Their words
It is highly fortunate that the OpenAI agents hacked HuggingFace. This is the only reason we know about all the severe internal failures at OpenAI, and gives us an opportunity to wake up before it is too late.
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thezvi.substack.com
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
31 August
Writer of the 25iq blog, where he distils "a dozen things I've learned" from investors, founders and thinkers. Author of Charlie Munger: The Complete Investor and A Dozen Lessons for Entrepreneurs.
If a business has earned returns on capital substantially exceeding the opportunity cost of capital for a period of years(eg, > 5 years), it has a moat. The test is math based. An assertion that NVIDIA, TSMC other businesses don't have a moat and that moats can't be created in the future makes me giggle. morganstanley.com
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28 August
Researcher of social media, privacy and youth culture; founder of Data & Society and author of It’s Complicated.
18 August
Writer on the intersection of technology and finance. Author of the Bits about Money newsletter and host of the Complex Systems podcast; previously at Stripe.
Lots of password reset emails today across a wide variety of geeky publishing and payments-taking surfaces, so a) check your inboxes, other geeks and b) I don't have any fun new projects in works and so if someone gives you opportunity to pay "me" money it is not me saying that. Related
12 August
Professor at Stanford working on robot learning and meta-learning; co-founded Physical Intelligence.
Their words
But I think the PhD is an incredible opportunity to first learn a lot about how to handle uncertainty, how to pick good problems to work on.
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youtube.com
11 August
Engineering leader and writer; wrote An Elegant Puzzle, Staff Engineer and The Engineering Executive's Primer, and blogs at Irrational Exuberance.
29 July
Founder of Scale AI and, since 2025, Chief AI Officer at Meta, where he leads the company’s superintelligence lab.
ambition
Their words
it's probably a like once in a civilization opportunity to be a dreamer and to have a vision and to have ambition and to impose a view of how the future world should look by building something amazing.
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youtube.com
28 July
Founder and CEO of Boom Supersonic, the Denver company building the Overture supersonic airliner and its Symphony engine.
Their words
You can't get to product market fit on a supersonic jet by building it and seeing if anybody likes it. You have to analyze very carefully the art of the possible and also what will maximize the market opportunity.
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youtube.com
13 July
Labour politician. Prime Minister of the United Kingdom from July 2024 to June 2026, and MP for Holborn and St Pancras from 2015 until standing down in 2026. Director of Public Prosecutions before entering Parliament.
This is the sixth trade deal we’ve secured in two years, making life easier and creating more opportunity for people across the UK. Quoting @10DowningStreet Just announced: a landmark trade deal with Switzerland. Related
6 July
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
18 June
Founder of Terraform Industries and formerly a physicist at NASA's Jet Propulsion Laboratory; writes about energy, space and manufacturing.
1 April
Uber's first Chief Technology Officer, from 2013 to 2020; later CTO of Coupang and of Faire.
13 January
American writer and long-term traveller. Blogs at tynan.com about travel, owning few possessions, habits and the gear he carries; author of Superhuman by Habit and Make It Big.
9 December 2025
Data scientist at Our World in Data and author of Not the End of the World. Writes By the Numbers, working through energy and climate questions with the numbers in front of them, and revising in public when they say something unexpected.
4 December 2025
Computer performance engineer working on datacenter performance at OpenAI, previously Netflix and Sun/Joyent. Author of Systems Performance and BPF Performance Tools, and creator of flame graphs.
12 November 2025
Pen name of the Canadian-American writer behind mrmoneymustache.com, a blog on frugality, early retirement and index-fund investing that has run since 2011.
Yeeeehaw! Houston, the FIRE Movement has arrived on your airwaves via this great little Fox special that Heather Sullivan @Fox26Heather put together. Nicely done and thanks for the opportunity Heather! Quoting @HeatherSulliTV Wish you could retire early? More people are following the principles of the F.I.R.E. movement, living more simply in order to save and invest more money, and ultimately retire early. Here's how they do it! @mrmoneymustache Related
16 October 2025
Co-founder and chief executive of Figma, the collaborative design platform he started in 2012 and took public in 2025.
Their words
you can either see AI as an opportunity for your company to grow and do more or you can look at it as like cost cutting efficiency but I think the growth part is way more exciting.
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youtube.com
14 October 2025
Demographer; writes on fertility, marriage and population, and directs the Pro-Family Initiative at the Institute for Family Studies.
18 September 2025
Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.
Their words
in management uh like a CEO is is being fired when results are bad, which I think is fundamental that's multiple levels of wrong. Um, but like the way to judge a CEO is like out of what opportunity did you carve what company?
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youtube.com
24 May 2025
Historian of the Second World War; wrote Normandy '44 and Brothers in Arms, and co-hosts the We Have Ways of Making You Talk podcast.
Their words
I mean, if ever there is, I think, a mistake that’s Britain and France should’ve been a bit more into realpolitiks than they were. It’s such an opportunity to ensure that, to snooker the Third Reich, and they don’t take it.
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youtube.com
12 May 2025
Co-founder of Sundial; former vice president of product design at Facebook; author of The Making of a Manager; writes The Looking Glass.
23 March 2025
Founder and chief executive of Superhuman, the email client; previously founder of Rapportive, which he sold to LinkedIn; a professional game designer before that.
Their words
And number two, the superhuman opportunity deserves everyone who works at the company to spend as much time as possible in their zone of genius. And so that includes me as well as everybody else. So what I did is I hired a really great president. I went from eight direct reports to two.
Show the whole quote
youtube.com
12 February 2025
Development economist; writes Global Developments, on growth, history and the numbers behind them.
19 January 2025
Growth advisor and operator who has led growth at Miro, Amplitude, Dropbox and SurveyMonkey.
Their words
but I'm very sorry to break it to all of you, but your problem is not unique. I'm 99% sure of that. Your problem has been felt by somebody somewhere and probably many, many places
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youtube.com
3 June 2024
Software engineer working on distributed systems and databases; creator of rqlite, the distributed database built on SQLite.
Announcing Office Hours for rqlite, the lightweight distributed database built on #SQLite and #Raft. This is a great opportunity for you to ask questions or share ideas about rqlite directly with me. philipotoole.com
SQLite Related
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