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Paris Had a Moving Sidewalk in 1900, and a Thomas Edison Film Captured It (2020)

https://www.openculture.com/2020/03/paris-had-a-moving-sidewalk-in-1900.html
100•rbanffy•1h ago•29 comments

Using FreeBSD to make self-hosting fun again

https://jsteuernagel.de/posts/using-freebsd-to-make-self-hosting-fun-again/
157•todsacerdoti•12h ago•29 comments

Alleged Jabber Zeus Coder 'MrICQ' in U.S. Custody

https://krebsonsecurity.com/2025/11/alleged-jabber-zeus-coder-mricq-in-u-s-custody/
40•todsacerdoti•2h ago•3 comments

Linux gamers on Steam cross over the 3% mark

https://www.gamingonlinux.com/2025/11/linux-gamers-on-steam-finally-cross-over-the-3-mark/
433•haunter•4h ago•256 comments

Lisp: Notes on its Past and Future (1980)

https://www-formal.stanford.edu/jmc/lisp20th/lisp20th.html
67•birdculture•4h ago•37 comments

Why don't you use dependent types?

https://lawrencecpaulson.github.io//2025/11/02/Why-not-dependent.html
162•baruchel•8h ago•54 comments

Reproducing the AWS Outage Race Condition with a Model Checker

https://wyounas.github.io/aws/concurrency/2025/10/30/reproducing-the-aws-outage-race-condition-wi...
63•simplegeek•4h ago•9 comments

Tongyi DeepResearch – open-source 30B MoE Model that rivals OpenAI DeepResearch

https://tongyi-agent.github.io/blog/introducing-tongyi-deep-research/
222•meander_water•11h ago•80 comments

FurtherAI (Series A – A16Z, YC) Is Hiring Across Software and AI

1•sgondala_ycapp•1h ago

Why does Swiss cheese have holes?

https://www.usdairy.com/news-articles/why-does-swiss-cheese-have-holes
23•QueensGambit•5d ago•21 comments

URLs are state containers

https://alfy.blog/2025/10/31/your-url-is-your-state.html
302•thm•11h ago•137 comments

Amazon Rivian Electric Delivery Vans Arrive in Canada

https://cleantechnica.com/2025/10/30/rivian-electric-delivery-vans-arrive-in-canada/
19•TMWNN•2h ago•7 comments

X.org Security Advisory: multiple security issues X.Org X server and Xwayland

https://lists.x.org/archives/xorg-announce/2025-October/003635.html
122•birdculture•10h ago•65 comments

Anti-cybercrime laws are being weaponized to repress journalism

https://www.cjr.org/analysis/nigeria-pakistan-jordan-cybercrime-laws-journalism.php
185•giuliomagnifico•4h ago•51 comments

The foods that make you smell more attractive

https://www.bbc.com/future/article/20251031-the-foods-that-make-you-smell-more-attractive
4•Korling•40m ago•1 comments

Solar-powered QR reading postboxes being rolled out across UK

https://www.bbc.co.uk/news/articles/cgln72rgrero
20•thinkingemote•4d ago•13 comments

Is Your Bluetooth Chip Leaking Secrets via RF Signals?

https://www.semanticscholar.org/paper/Is-Your-Bluetooth-Chip-Leaking-Secrets-via-RF-Ji-Dubrova/c1...
54•transpute•5h ago•11 comments

Plumbing vs. Internet, Revisited

https://gwern.net/blog/2025/plumbing-vs-internet
11•Ariarule•18h ago•1 comments

Autodesk's John Walker Explained HP and IBM in 1991 (2015)

https://www.cringely.com/2015/06/03/autodesks-john-walker-explained-hp-and-ibm-in-1991/
104•suioir•4d ago•55 comments

Notes by djb on using Fil-C

https://cr.yp.to/2025/fil-c.html
279•transpute•17h ago•158 comments

Ralf Brown's Files (The x86 Interrupt List)

http://www.cs.cmu.edu/~ralf/files.html
28•surprisetalk•1w ago•2 comments

Printed circuit board substrates derived from lignocellulose nanofibrils

https://www.nature.com/articles/s41598-025-91653-1
21•PaulHoule•6d ago•12 comments

React-Native-Godot

https://github.com/borndotcom/react-native-godot
29•Noghartt•4h ago•2 comments

Writing FreeDOS Programs in C

https://www.freedos.org/books/cprogramming/
76•AlexeyBrin•9h ago•33 comments

Backpropagation is a leaky abstraction (2016)

https://karpathy.medium.com/yes-you-should-understand-backprop-e2f06eab496b
277•swatson741•17h ago•119 comments

MTurk is 20 years old today – what did you create with it?

46•csmoak•3h ago•22 comments

Rats filmed snatching bats from air

https://www.science.org/content/article/rats-filmed-snatching-bats-air-first-time
112•XzetaU8•5d ago•63 comments

Visopsys: OS maintained by a single developer since 1997

https://visopsys.org/
449•kome•1d ago•119 comments

Mock – An API creation and testing utility: Examples

https://dhuan.github.io/mock/latest/examples.html
108•dhuan_•11h ago•17 comments

New South Korean national law will turn large parking lots into solar farms

https://electrek.co/2025/11/02/new-national-law-will-turn-large-parking-lots-into-solar-power-farms/
146•thelastgallon•7h ago•122 comments
Open in hackernews

Autodesk's John Walker Explained HP and IBM in 1991 (2015)

https://www.cringely.com/2015/06/03/autodesks-john-walker-explained-hp-and-ibm-in-1991/
104•suioir•4d ago

Comments

ghaff•8h ago
As Cringely himself admits, he's had something of an obsession with IBM; not sure of the history. And IBM has actually done pretty decently the past few years post-Rometty.

HP, by contrast, has been somewhat adrift even after all the boardroom drama.

uvaursi•8h ago
I like that HP is putting out new products like the little roomba floor plan printer robot. Even if it’s not original (neither was the printer), they’ve got divisions that are ideating, improving, designing and manufacturing products. I haven’t seen the full scope of their offerings to be fair.
ghaff•8h ago
Fiorina had this vague-ish better together vision. But, even now that I'm sort of back in the industry analyst thing again, HP isn't really on my radar. Obviously they have customers but haven't been following them especially closely and pretty much all my connections there are long gone.
ghaff•7h ago
Seems like a very niche market for a company at HP's scale. I don't really see them as a consumer printer company any longer. And Roomba-type things are very dependent on floor plans. My brother has a near-ideal layout (single level with no transitions) and it just works so-so for them. Wouldn't work for me pretty much at all even with some changes that eliminate level transitions.
kragen•3h ago
Does your brother often plot floor plans on his house floor?
ghaff•1h ago
No. He has a floor plan and it is what it is.

A few years ago I got a broom vac and that seems to make the most sense.

kamranjon•8h ago
Isn’t IBM still operating through a pattern of selling service contracts for sub-par products that do everything in their power to lock their customers in? I feel like they embedded themselves so deeply in some of these public sector orgs that they can’t really orient themselves in any other way than through a predatory business model that lacks innovation.
ghaff•8h ago
They did buy Red Hat (for a lot of money) and seem to have generally gotten their AI act together although not as visibly as the high profile SV players. Mainframe business seems to hum along. There's also quantum though not a big revenue source yet.

So, overall, seems a pretty decent business at this point although not something that is on a lot of HN readers' radars. Yes, it's oriented towards large companies and public sector.

WillAdams•7h ago
Yes, but they've made some notable mis-steps:

https://www.pennlive.com/news/2021/09/ibm-paid-pa-33m-to-set...

(apparently there were enough states with this problem that there was talk of a class-action lawsuit?)

georgeecollins•1h ago
Buying Red Hat is exactly the behavior John Walker is describing. You don't spend money on R&D, or infrastructure. You acquire a business line and starve it.
forgetfulness•5h ago
Up until a few years ago, they were buying products, signing labor-intensive contracts, laying off people, burning out the ones that remain, and not investing in its products

In 2021 they spun off the consultancy business and now seem to just sell software and hardware.

The spin off, Kyndryl, is burdened with unprofitable contacts and is still slashing and burning its workforce.

IBM doesn’t seem to be making a comeback in SaaS or whatnot, they seem to just have split their problems down the middle but not solved them.

WillAdams•8h ago
For a further analysis of this letter (in the context of CAD) see:

https://www.shapr3d.com/history-of-cad/introduction

rawgabbit•8h ago
Nice article that sums up the modus operandi of rudderless companies.

Quote:

     This is the pit into which HP and IBM have fallen. They want to maintain margins to keep Wall Street happy, but the easiest way to do that is by cutting costs. Eventually this will be visible in declining sales, which IBM has now experienced for three straight years. Yet with a combination of clever accounting and bad judgement even declining sales can be masked… for awhile.
embedding-shape•7h ago
Pretty ironic too, considering the stagnation of Autodesk, and their constant push to offer less for more.
DANmode•5h ago
The fellow writing these things is no longer with the firm,

so, far from ironic in my opinion.

embedding-shape•3h ago
At 1991 he was still with the firm AFAIK.
DANmode•3h ago
“Constant” didn’t feel like 1991.

Apologies!

kragen•8h ago
(02015) but both HP and IBM seem to be alive and well 10 years later, even if their products are dog vomit.

This phrase "confusing the scoreboard with the game" is golden!

IL14 is a lot better than Cringely's commentary on it: https://www.fourmilab.ch/autofile/www/chapter2_86.html

DonHopkins•7h ago
Hey, how dare you besmirch my favorite variety of slime mold by implying it's like HP and IBM products!

https://en.wikipedia.org/wiki/Fuligo_septica

Harvesting, cooking and eating Dog Vomit Slime Mold:

https://www.youtube.com/watch?v=KfbLSl_4o78

kragen•7h ago
No, those are beautiful! I meant actual vomit, from dogs.
varjag•3h ago
HP is dead for soon three decades. There is a company with its name nowadays that makes shitty computers and some printers.
kragen•3h ago
That's the one Cringely was saying was headed for trouble 10 years ago.
gopher_space•2h ago
You'll never buy a HP printer again once you experience their latest software. Every bad idea and dark pattern from the last decade or two rolled into a single package.
yodon•7h ago
I love the article, and love the genuinely appropriate intellectual outrage, but isn't this just the market telling AutoDesk that it was paying too much for its enterprise sales function, and that it should be able to run sales more efficiently ($375/seat cost of sales rather than $500/seat cost of sales), when the sale is happening at the enterprise scale where lots of seats are involved?

Given that your largest customers are generally your most profitable, the market was simply telling AutoDesk at the time that it was spending more than its peers selling to large enterprises and matching per-seat SMB sales costs shouldn't be their benchmark for enterprise sales costs.

By shifting the target from $500 to $375/seat cost of sales, AutoDesk would have kept their margins but doubled their returns. Alternatively, AutoDesk could keep the cost of sales unchanged ($500) and bump up the enterprise price from $1,000 to a little over $1,125, and achieve the same goal. The market doesn't care which approach AutoDesk takes, but it knows the company was giving away too much margin on enterprise sales. Most modern SaaS companies today take the later approach, except they would charge enterprises $2,500/seat instead of a little over $1,125/seat.

AutoDesk has had some very forward thinking senior leadership at different points in its history, but it's also made some missteps. Writing a wonderful assault on the accounting industry instead of realizing that enterprises will pay $2,500 for the same thing SMB's are buying for $1,000 is an example of one of those missteps (and yes, AutoDesk eventually figured how to screw over customers with pricing, but that's another misstep, explaining why I no longer own any AutoDesk products).

TheOtherHobbes•7h ago
The point is accounting doesn't just report numbers, it drives the default strategy of "This is too expensive and costs should be cut."

Management should know there are alternative strategies, and ideally should know which of those is best.

But accounting policies bake strategic implications into their reporting.

Which is why we are where we are - on the verge of a catastrophic crash, because genius Wall St analysts are chasing the gilded AI bubble, while the rest of the economy is starved of consumer spending.

With much more to come.

le-mark•3h ago
Casual observers may not know that pundits have been calling for a catastrophic collapse in the markets for as long as I’ve been watching (early 80s). There have been a lot of dips and a few recessions in that time obviously, but beware the “it’s different this time” doom sayers.
computator•7h ago
> But oh what a difference it makes in the accounting! In the first case, where Autodesk sold the copy of AutoCAD to the dealer, that was the whole transaction; whatever happened to the copy of AutoCAD after the dealer paid for it has no effect on Autodesk’s books. Autodesk sells, dealer pays, end of story. But in the second case, when Autodesk sells to Spacely Sprockets, that appears on Autodesk’s ledger as a sale of AutoCAD for $1000. The instant the $1000 shows up, however, we immediately cut a check for the commission, $500, and mail it to the representative, leaving the same $500 we’d get from the dealer. Same difference, right? Not if you’re an accountant! In the first case, Autodesk made a sale for $500 and ended up, after expenses and taxes, with $125, and therefore is operating with a 25% margin (125/500). In the Spacely sale, however, the books show we sold the product for $1000, yet wound up only with the same $125. So now our margins are a mere 12.5% (125/1000).

I'd like to know how an accountant would respond to the above. Based on his two examples, it seems like accounting rules really distort the financial picture of a company.

Foobar8568•7h ago
Profitability is all lies, you report what you want, the goal is to ensure whatever numbers you want to communicate raises nicely quarter over quarter.
MichaelZuo•6h ago
Yeah the advice I’ve heard is that if a company refuses to provided audited GAAP numbers, just run away, no point at all in engaging beyond that.

And even if they do provide those numbers, you still need to scrutinize the cash flow statement and balance sheet.

Foobar8568•6h ago
Even that...I can't comment but companies play with CAPEX, OPEX, what they call innovation, what they amortize etc.

Amortizing CAPEX, claiming it's innovation and building on the future when it's done by consultancy having a 1-3y turn over.

Oh and let's fake maintenance works under "projects".

I am not accountant, so there might be some stuff missing but the 3 upper points are stuff I have seen in many companies.

jacquesm•6h ago
By the time you understand this that particular Monthy Python sketch (the machine that goes 'ping') will really have you in stitches.
mrandish•5h ago
> companies play with CAPEX, OPEX, what they call innovation, what they amortize etc.

True but most public companies reporting under GAAP tend to play roughly similar games to roughly similar degrees. So these metrics alone may not reflect much objective reality about a particular company at a given moment but can be useful in benchmarking the relative performance of similar types of companies against each other.

gxs•3h ago
Exactly - this is a case where consistency is more important than accuracy

If everyone is optimizing their GAAP figures, eventually everyone converges on a similar number you can compare across companies

Downside is that if you don’t play the game you’re sort of screwing yourself

jaynate•4h ago
There are revenue recognition rules that govern what Revenue is on the P&L. Same with costs/expenses. But I would say if anything, profits are easier to manipulate than revenue.
mlyle•6h ago
I think the accountant would retort that it's way better to get $125 of profit from $500 of revenue than from $1000 of revenue, overall. In the former case, you have a lot of padding for conditions to change, and in the latter case you don't.

And, if there's some outside dealer that can make a profit taking their $500 cut, but you need to pay all of the $500 out-- it seems like your sales function is less efficient-- less efficient than the rest of Autodesk and less efficient than the outside dealer.

Margins aren't everything. Absent outside judgment, I think I'd rather make, say, $175 profit from $1k of revenue than $125 from $500. But I wouldn’t trade $125 on $500 for $126 on $1,000.

And, of course, there's always the strategic concerns. Control of accounts, opportunities to upsell or cross-sell, etc, etc. Financial reporting can't tell the whole story, because you can't boil down the whole story of a company to a few numbers. It's the triumph of GAAP that it's a pretty dang good start to understanding most companies.

rawgabbit•6h ago
He is talking about the effect on stock price. The second scenario results in lower margins. Stock market analysts look unfavorably on this.
jaynate•6h ago
Depending on what you’re optimizing for could be revenue (high growth) or Net income per share (lower growth).

Reality is once you’ve established a baseline it’s difficult to move from one to the other or have substantial changes to the negative for either.

lotsofpulp•1h ago
Any investor with half a brain is not solely looking at one specific margin to analyze an investment. That is why you compare profit margin and operating margin and revenue and other measures to build a more accurate picture.
akgoel•3h ago
We have something similar with tariffs. We pass them through to the client, and they show up as revenue and expenses like this Autodesk example.. But, we immediately deduct the tariff expense from the tariff revenue above the gross revenue line, so Gross Revenue is not affected.
Spooky23•2h ago
You should see the accounting bullshittery around data centers!
teach•7h ago
(2015)
B1FF_PSUVM•4h ago
Also, Cringely's site last piece is from 2023.

Someone asked for news of him recently here, https://news.ycombinator.com/item?id=44739987 , but there were no actual answers...

thevillagechief•6h ago
> Ginni Rometty and Meg Whitman appear to be more interested in keeping their jobs than in saving their companies

I think this is why I have so much respect for Pat Gelsinger. He really was trying to save Intel, so much so that it cost him his job.

zkmon•6h ago
The way businesses or empires had success was by dancing to the tune of the time. The tune changes with time. The wind changes, tides change direction, the overall context changes. So it doesn't help to much to study what business have done or what empires have done or what leaders have done. They were a minuscule part of the overall climate and context, which was overlooked by historians.

Foreground is a product of the background.

pavlov•6h ago
John Walker passed away last year.

His “Autodesk File” is an interesting read because it’s not the usual “just so” kind of startup memoir that tries to explain how success was preordained by the founder’s genius, but instead a collection of actual documents like memos in chronological order:

https://www.fourmilab.ch/autofile/

jacquesm•6h ago
I've had a bunch of interaction with John over the years, mostly around 'SpeakFreely', which he generously allowed us to use for the audio component of the webcam software.

It took a while before I had mentally linked the 'Autodesk' founder to the person I was interacting with and I think he had a quiet chuckle or two when I finally found out. What is so interesting to me is that instead of clinging to power at Autodesk he managed to let go of it and enjoy his (way too short) time afterwards.

We never met, unfortunately.

kragen•3h ago
I believe he dedicated Speak Freely to the public domain so that anyone can use it for anything. Even more generous than you imply.
znpy•5h ago
John Walker is the kind of guy that would (successfully) apply the engineering approach to non-engineering issues.

I was amused by his book "the hacker's diet": https://www.fourmilab.ch/hackdiet/

jaynate•6h ago
Had me hooked right up to this point: “When we get the check, we pay a commission to this representative. Assume the commission is $500.”

I’ve never seen a software company pay 50% commissions on a software sale. I know it’s and example but the percentages are wrong even for the perpetually licensed days. Should be closer to 8-15%.

Totally sales and marketing spend could indeed be higher in this model because autodesk moved to direct positioning with end buyers rather than distributors.

jdswain•5h ago
Commissions were different back then. I worked part time selling computers around 1990 and a little earlier, margin on computers was moving down, but was as high as 50%, I recall it moving down to 30% and stabilising there for a while. I don't remember software margins, but it could have been about the same. I used to get 50% of the margin as commission.
xoxxala•5h ago
When I sold Windows 2.1 at Egghead Software, my spiff was an extra 30% for the first month as a promo. I always assumed that was a loss leader by Microsoft to push extra copies on release.
WillAdams•4h ago
A further consideration here is that this wasn't just commission, but also a payment towards providing support to the customer.
kragen•3h ago
I'm pretty sure this is a roughly accurate breakdown of AutoCAD's cost structure 34 years ago. How long have you been in the business, and what was the highest-sticker-price software you were selling?
nobodyknowsme•3h ago
I met John Walker in Second Life shortly after the pandemic started.

We both used the name "Acme" in our gadget names and he came by to see what I was building. He was wearing a Wile E. Coyote avatar.

It wasn't until after he left that I noticed he was one of the original authors of AutoCAD.

He was very prolific at writing code in Second Life from the beginning of the pandemic until shortly before his death.

He was very thorough in writing documentation for all the free code he wrote, and even included detailed diaries of his development of his neat gadgets.

His products were all removed from the Second Life store after his death, but I'm trying to get it all back up for people to enjoy. The code is still on github, but I'm trying to recreate some of the 3d objects needed for that code to work.

kragen•2h ago
Why were they removed?