Julien Reszka

The conventional wisdom about a speech, or an ad, is that it can only ever move half a room: fight for one side, connect with the other, and accept that the rest will tune out.

Elon Musk has said some version of this for over a decade: work 80 to 100 hours a week or do not expect to change the world.

Singapore switched on a data center rack running on sixteen million living human neurons this month, and the number every outlet led with was power: about one kilowatt for the whole rack, against up to one hundred kilowatts for a comparable silicon AI ser…

Marc Andreessen's 2020 essay argued that the refusal to build, houses, vaccines, factories, trains, was the real failure behind a stagnant decade, and it became a rallying cry for founders: stop planning, start building.

Not everyone experiences a bad review the same way.

I default to not texting people.

If I had to keep exactly one exercise for the rest of my life, it would be the squat, and not for the reason most people give.

I write code for a living, which means most of my day happens sitting down.

You read the job title, the responsibilities, the required years of experience.

A tutorial with 200 views feels like it failed.

Poland tried to fix its planned economy gradually for most of the 1980s.

You're still funding it.

Researchers asked Stanford students to estimate what share of all deaths came from different causes.

Americans are lonelier than they used to be, but that is not really the problem.

Denver International Airport finished construction on schedule.

Most executives think they are competing on strategy, price, or execution.

Three things supposedly decide whether you succeed: how hard you work, how lucky you get, and who you know.

Ask someone whether people cook less than they used to and most will say yes without hesitation.

Add up two ordinary bills, pension contributions and rent, and even in the cheapest country checked the total clears 40 percent of what is left after tax.

Living longer gets treated as an unambiguous win.

A pay-as-you-go pension is a claim on other people's children.

Pension reform gets pitched as a budget problem.

Politics has never been a debate about ideas.

People do not misremember to hurt you.

There are two kinds of pressure.

We extend benefit of the doubt upward.

You pasted the file.

RSS was declared dead in 2013 when Google shut down Reader.

The study most people cite when dismissing interviews, Schmidt & Hunter's 1998 meta-analysis, found that unstructured interviews explained about 14% of variance in job performance, while work samples explained about 54%.

Most founders pick their market, then hope for the best exit.

Every public company in the US must file an annual 10-K report with the SEC, and every 10-K contains a section called Item 1A: Risk Factors.

Most founders ask whether something is worth building too late, or too vaguely.

Stop, start, continue gives you noise by design.

Refactoring has a good reputation.

Strong retention with zero referrals is not a mystery.

Luxury brands understood this before the word 'viral' existed: the product is only part of what you are selling.

Dropbox did not grow because cloud storage is an inherently shareable idea.

People share what they can remember, and they remember what they can say in one sentence.

Eighty-three percent of purchase decisions are influenced by recommendations from people the buyer already trusts, making word-of-mouth the most powerful acquisition channel available.

Netflix's recommendation algorithm is responsible for 80% of what users watch, not search, not browsing, not the new releases section, but the algorithm's guess about what you specifically will like next.

The fastest way to make a product cheaper is to not build most of it.

Chronic anxiety does measurable damage to the prefrontal cortex, the part of the brain responsible for reasoning, planning, and judgment.

Sleep duration is one of the most reliable objective proxies for employee well-being, and the international data tells a consistent story: Japan and Singapore rank among the lowest-sleeping countries on earth, at 7h31 and 7h24 per night respectively, while

The stress reduction argument for automation is straightforward: fewer tasks means fewer deadlines, fewer deadlines means less pressure, less pressure means less cortisol.

The argument for automation is that it frees up cognitive bandwidth.

The optimistic case for automation is that it handles the tedious work and gives people time to do what they are actually good at, but this assumes that hard and easy tasks arrive in equal measure, and that once the easy ones are gone you have breathing r…

You were already dependent before automation: the contractor who does not pick up on Fridays the IT department that closes tickets in three weeks the supplier who decides your order is not worth prioritising Automation does not introduce dependency; it sw…

The coming shift in work is not about working more, it is about working less in the right way, staying out of the path of autonomous agents long enough for them to be useful, while taking on a different kind of responsibility: designing systems that assume

In theory, automation destroys jobs; in practice it creates more than it destroys, because every reduction in startup costs lets more businesses form, and more businesses means more jobs to fill.

Google can tell you: a page exists how fast it loads how many other sites point to it but it still cannot tell you whether the page is genuinely useful, so it keeps deferring to the crowd, which means the web's most linked pages win regardless of quality,…