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Backing Up Spotify

https://annas-archive.li/blog/backing-up-spotify.html
694•vitplister•6h ago•255 comments

Show HN: Jmail – Google Suite for Epstein files

https://www.jmail.world
151•lukeigel•3h ago•35 comments

Ireland’s Diarmuid Early wins world Microsoft Excel title

https://www.bbc.com/news/articles/cj4qzgvxxgvo
161•1659447091•4h ago•57 comments

Claude in Chrome

https://claude.com/chrome
63•ianrahman•3h ago•27 comments

Pure Silicon Demo Coding: No CPU, No Memory, Just 4k Gates

https://www.a1k0n.net/2025/12/19/tiny-tapeout-demo.html
267•a1k0n•7h ago•42 comments

Humankind's 10 million year love affair with booze might end

https://www.economist.com/christmas-specials/2025/12/18/how-humankinds-10m-year-love-affair-with-...
8•andsoitis•17m ago•4 comments

Log level 'error' should mean that something needs to be fixed

https://utcc.utoronto.ca/~cks/space/blog/programming/ErrorsShouldRequireFixing
289•todsacerdoti•3d ago•190 comments

Big GPUs don't need big PCs

https://www.jeffgeerling.com/blog/2025/big-gpus-dont-need-big-pcs
125•mikece•6h ago•41 comments

Go ahead, self-host Postgres

https://pierce.dev/notes/go-ahead-self-host-postgres#user-content-fn-1
406•pavel_lishin•8h ago•262 comments

Italian bears living near villages have evolved to be smaller and less agressive

https://phys.org/news/2025-12-italian-villages-evolved-smaller-aggressive.html
41•wjSgoWPm5bWAhXB•5d ago•13 comments

I spent a week without IPv4 (2023)

https://www.apalrd.net/posts/2023/network_ipv6/
104•mahirsaid•6h ago•167 comments

Gemini 3 Pro vs. 2.5 Pro in Pokemon Crystal

https://blog.jcz.dev/gemini-3-pro-vs-25-pro-in-pokemon-crystal
245•alphabetting•4d ago•68 comments

MIRA – An open-source persistent AI entity with memory

https://github.com/taylorsatula/mira-OSS
44•taylorsatula•3h ago•23 comments

More databases should be single-threaded

https://blog.konsti.xyz/p/8c8a399f-8cfe-47dd-9278-9527105d07dc/
18•lawrencechen•2h ago•1 comments

OpenSCAD is kinda neat

https://nuxx.net/blog/2025/12/20/openscad-is-kinda-neat/
190•c0nsumer•6h ago•144 comments

Show HN: HN Wrapped 2025 - an LLM reviews your year on HN

https://hn-wrapped.kadoa.com?year=2025
106•hubraumhugo•10h ago•61 comments

Biscuit is a specialized PostgreSQL index for fast pattern matching LIKE queries

https://github.com/CrystallineCore/Biscuit
62•eatonphil•4d ago•9 comments

NTP at NIST Boulder Has Lost Power

https://lists.nanog.org/archives/list/nanog@lists.nanog.org/message/ACADD3NKOG2QRWZ56OSNNG7UIEKKT...
419•lpage•16h ago•190 comments

X-59 3D Printing

https://www.nasa.gov/stem-content/x-59-3d-printing/
42•Jsebast24•4d ago•5 comments

All about Parameters and Widgets in Databricks Workflows

https://medium.com/dev-genius/all-about-parameters-in-databricks-workflows-28ae13ebb212
3•protmaks•4d ago•0 comments

Immersa: Open-source Web-based 3D Presentation Tool

https://github.com/ertugrulcetin/immersa
126•simonpure•10h ago•20 comments

Why do people leave comments on OpenBenches?

https://shkspr.mobi/blog/2025/12/why-do-people-leave-comments-on-openbenches/
85•sedboyz•8h ago•4 comments

Skills Officially Comes to Codex

https://developers.openai.com/codex/skills/
235•rochansinha•16h ago•119 comments

Over 40% of deceased drivers in vehicle crashes test positive for THC: Study

https://www.facs.org/media-center/press-releases/2025/over-40-of-deceased-drivers-in-motor-vehicl...
184•bookofjoe•8h ago•300 comments

Approaching 50 Years of String Theory

https://www.math.columbia.edu/~woit/wordpress/?p=15401
43•jjgreen•11h ago•85 comments

You have reached the end of the internet (2006)

https://hmpg.net/
79•raytopia•7h ago•19 comments

Detailed balance in large language model-driven agents

https://arxiv.org/abs/2512.10047
40•Anon84•4d ago•5 comments

Privacy doesn't mean anything anymore, anonymity does

https://servury.com/blog/privacy-is-marketing-anonymity-is-architecture/
364•ybceo•18h ago•235 comments

How to Write a 21st Century Proof (2011) [pdf]

https://lamport.azurewebsites.net/pubs/proof.pdf
6•User23•4d ago•0 comments

TailwindSQL – Like TailwindCSS, but for SQL queries in React Server components

https://github.com/mmarinovic/tailwindsql
38•ravenical•10h ago•49 comments
Open in hackernews

Anthropic: You can't change your Claude account email address

https://support.claude.com/en/articles/8452276-how-do-i-change-the-email-address-associated-with-my-account
61•behnamoh•3h ago

Comments

HPMOR•2h ago
Why is this the case? I don't understand, can somebody explain the logic to me here?
rbtprograms•2h ago
I can only assume there is some database structuring issue where things would potentially be broken if emails aren't update correctly, but I'm just guessing.
ares623•2h ago
Maybe used the email address as a primary key. Ask me how I know.
blitzegg•2h ago
Well it does eliminate a whole list of problems related to account takeover, account recovery workflows, legal questions regarding which email owns the data, etc. Sometimes less is more. Secure, reliable, simple.
prmph•1h ago
I fail to see how preventing email changes solves the issues you listed, or how allowing it necessarily makes them worse.
blitzegg•1h ago
That's pretty obvious to anyone who had to maintain a high traffic site. Just the tip of the iceberg (I haven't included additional legal issues and other):

1.1 Strong protection against account takeover

Email change is one of the most abused recovery vectors in account takeover (ATO).

Eliminating email changes removes:

Social-engineering attacks on support

SIM-swap → email-change chains

Phished session → email swap → lockout of real user

Attacker must compromise the original inbox permanently, which is much harder.

1.2 No “high-risk” flows

Email change flows are among the highest-risk product flows:

Dual confirmation emails

Cooldown periods

Rollback windows

Manual reviews

Fixed email removes an entire class of security-critical code paths.

1.3 Fewer recovery attack surfaces No need for:

“I lost access to my email” flows

Identity verification uploads

Support-driven ownership disputes

Every recovery mechanism is an attack surface; removing them reduces risk.

darth_avocado•1h ago
If anything, this makes account takeover and account recovery way more difficult. It probably makes a bunch of legal stuff easier for them, but that’s about it.
prmph•1h ago
So with all their billions they could not get a proper software engineer to architect their project?

Unless there is some deep technical reason why things have to be this way, which I very much doubt.

And now they can't change it? Where is Claude when you need him/her

jaggederest•1h ago
The funny thing is that if you ask Claude if you should use email address as a primary key it will pretty adamantly warn you away from it:

> I'd recommend against using email as the primary key for a large LLM chat website. Here's why:

> Problems with email as primary key:

> 1. Emails change - Users often want to update their email addresses. With email as PK, you'd need to cascade updates across all related tables (chat sessions, messages, settings, etc.), which is expensive and error-prone

> [Edited for length]

sixothree•1h ago
They also allow google accounts. I guess they use the email for that too?
Glyptodon•1h ago
That was my first guess TBH. Mostly because it seems like the kind of thing scientists writing Python would do.
aunty_helen•2h ago
I know, what’s so special about email? The common thing between your accounts, that the company that has a lot of chat history is allowing you not to change?
perotid•1h ago
>When creating an account, please make sure you use an email you'll have long-term access to.

I'm just guessing, but the above might suggest a potential incentive: They would like you to hand over a valuable/longterm email, as opposed to a temporary email (for supposedly more privacy or testing), by making it difficult to change it later.

'Dark patterns are the pavement of todays corporate infrastructure.'

doctorpangloss•1h ago
To reduce subscription sharing. It’s not complicated.
CPLX•1h ago
If I had to guess, it's to stop people from acquiring a high reputation with Anthropic and then selling the account or giving it to other people.

Obviously, there's a way to do that still. Not saying it's a good idea. But if I had to guess as to why, that's the one that comes to mind.

Glyptodon•2h ago
Maybe they should read that article (that was on HN) from the other day and switch to using account numbers with no customer information since that'd be about the same difference anyway given this behavior.
FloorEgg•2h ago
It's the same with openai.

I had to switch emails so I had to create a new account.

Seems bonkers.

blitzar•2h ago
They should vibe code a fix
jsheard•2h ago
Clearly we need an EmailChange-Verified benchmark since this is such a difficult problem.
raverbashing•2h ago
Do they use Okta or some other 3rd party Auth solution?
BLKNSLVR•2h ago
Oh, the wonders provided to humanity by "AI"!

Can this be used as a dagger to the heart of all the arguments about the revolutionary nature of what we currently call AI?

What a mockery this is.

wg0•2h ago
The authentication account should have a permanent stable identifier that should be the provider's responsibility to issue and manage.

Everything else including email and username should be changeable (provided there's no conflict with other accounts)

encoderer•1h ago
Guys remember this kind of stuff when you are building side projects. You can just ship you don’t need every feature on day one.
behnamoh•1h ago
the ability to change email address is not that complicated of a feature to postpone to later.

maybe they should ask CC to fix this...

encoderer•1h ago
It’s not a complicated feature and it’s also not required on day 1. At Cronitor we did not have it for nearly 2 years.
prmph•13m ago
I don't know. I actually find it harder and more stressful to write code in a way that does not meet a certain quality level. it require me to actually think more.

It's king of weird, but I have tried over the years to develop a do-just-what-is-necessary-now mindset in my software engineering work, and I just can't make my mind work that.

For me, doing things right is a way for me to avoid having to hold too much context in my head while working on my projects. I know the idiomatic way to do something, and if i just do it that way, then when I come back to it I know it should and is architectured.

rarisma•1h ago
future of humanity btw.
keeda•1h ago
Anecdote, but I've never been able to use Claude (directly) because their defense systems seem overly sensitive to your email address. I signed up for Claude using a relatively new Outlook email address that I set up for an independent purpose. My account got instabanned. Like, I couldn't proceed at all. I don't even know what the Claude UI looks like. All I could do was appeal using a Google Form.

I appealed and got a standard Google Forms response. There was no follow-up after that. It never got fixed and I never tried again... plenty of free, more accessible fish out there, and various agents like Copilot give me access to Sonnet anyway.

But now I wonder, what is it about the account that triggered this block. If it was because of the reputation of the account, how did Anthropic even know that this account was created a few weeks ago?

isubkhankulov•1h ago
There are vendors like Emailage that somehow determine the age of email addresses. Very useful because fraudsters tend to buy credit cards and bank accounts, then need to complete the identity by registering an email address for that identity.

Historically, outlook emails have been very easy for this compared to gmail addresses, which require phone numbers, etc.

eswat•1h ago
One of the reasons "aged" account marketplaces got more popular. People buy from vendors that farm a ton of these accounts and wait to sell them, or those reselling compromised accounts (especially with EDU accounts before institutions actually implemented security controls).
tbcj•1h ago
Same here - though I used my personal email domain with claude as the local/username. They autobanned that one and then banned my actual personal email. The only one that worked was a Google login. My appeal had a boilerplate response.
SeanAnderson•1h ago
You can't change ChatGPT email address, either, fwiw.

The email I signed up for got compromised a couple of months ago and I ended up having to delete my entire GPT account, losing all my history, to recreate using a new email.

It was super annoying and, out of hundreds of websites I had to update, only OpenAI and Anthropic wouldn't let me change my email. A few of them required contacting support with some sort of proof, but at least doable.

cj•1h ago
Is there a way to export out of one account into another?

I made the mistake of using my company provided ChatGPT account for non-work stuff. It was fine before the memory features came out. But now I'm regretting not having a separate personal one.

Edit: For ChatGPT (not sure about Claude) https://help.openai.com/en/articles/9106926-transferring-con...

dizhn•1h ago
You can clear & turn off the memory stuff no?
SeanAnderson•1h ago
You can export your data to an email address but there's no import/transfer functionality that I'm aware of
themafia•1h ago
They should dogfood their own product and ask Claude to fix it for them. :|
arjie•1h ago
It sort of makes sense. These guys were AI labs before they were ever web developers. They prompted me to switch to a business account, so I did but my business email is not my personal email and I promptly lost all the old chats. Well, all right then.

Perplexingly, this business account is as bad as a Google Workplace account. It has restrictions on it that I didn't have when I was on my own account. As an example, I can't share chats outside the organization. Fine, all right then.

pwmanager•1h ago
Same like openAI
xnx•1h ago
(wrong thread)
jsnell•1h ago
You're probably in the wrong thread. This is about changing email addresses for accounts. That's not a payment-gated feature on Google.
2780781306408•1h ago
The technology just isn't there yet.
Quarondeau•1h ago
I wonder how they'd handle this under the GDPR, which has an explicit "Right to rectification".

The data subject shall have the right to obtain from the controller without undue delay the rectification of inaccurate personal data concerning him or her.

Taking into account the purposes of the processing, the data subject shall have the right to have incomplete personal data completed, including by means of providing a supplementary statement.

https://gdpr-info.eu/art-16-gdpr/

Obviously if you change your email address, the old one ceases to be correct, even if it was correct before.

bibimsz•1h ago
its ridiculous
searls•1h ago
OpenAI doesn't let you change your email address, either.
villgax•28m ago
Vibe code this…lol