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Show HN: HypothesisHub – An open API where AI agents collaborate on medical res

https://medresearch-ai.org/hypotheses-hub/
1•panossk•2m ago•0 comments

Big Tech vs. OpenClaw

https://www.jakequist.com/thoughts/big-tech-vs-openclaw/
1•headalgorithm•5m ago•0 comments

Anofox Forecast

https://anofox.com/docs/forecast/
1•marklit•5m ago•0 comments

Ask HN: How do you figure out where data lives across 100 microservices?

1•doodledood•5m ago•0 comments

Motus: A Unified Latent Action World Model

https://arxiv.org/abs/2512.13030
1•mnming•6m ago•0 comments

Rotten Tomatoes Desperately Claims 'Impossible' Rating for 'Melania' Is Real

https://www.thedailybeast.com/obsessed/rotten-tomatoes-desperately-claims-impossible-rating-for-m...
1•juujian•7m ago•0 comments

The protein denitrosylase SCoR2 regulates lipogenesis and fat storage [pdf]

https://www.science.org/doi/10.1126/scisignal.adv0660
1•thunderbong•9m ago•0 comments

Los Alamos Primer

https://blog.szczepan.org/blog/los-alamos-primer/
1•alkyon•11m ago•0 comments

NewASM Virtual Machine

https://github.com/bracesoftware/newasm
1•DEntisT_•14m ago•0 comments

Terminal-Bench 2.0 Leaderboard

https://www.tbench.ai/leaderboard/terminal-bench/2.0
2•tosh•14m ago•0 comments

I vibe coded a BBS bank with a real working ledger

https://mini-ledger.exe.xyz/
1•simonvc•14m ago•1 comments

The Path to Mojo 1.0

https://www.modular.com/blog/the-path-to-mojo-1-0
1•tosh•17m ago•0 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
4•sakanakana00•20m ago•0 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•23m ago•0 comments

Hot Reloading in Rust? Subsecond and Dioxus to the Rescue

https://codethoughts.io/posts/2026-02-07-rust-hot-reloading/
3•Tehnix•23m ago•1 comments

Skim – vibe review your PRs

https://github.com/Haizzz/skim
2•haizzz•25m ago•1 comments

Show HN: Open-source AI assistant for interview reasoning

https://github.com/evinjohnn/natively-cluely-ai-assistant
4•Nive11•25m ago•6 comments

Tech Edge: A Living Playbook for America's Technology Long Game

https://csis-website-prod.s3.amazonaws.com/s3fs-public/2026-01/260120_EST_Tech_Edge_0.pdf?Version...
2•hunglee2•29m ago•0 comments

Golden Cross vs. Death Cross: Crypto Trading Guide

https://chartscout.io/golden-cross-vs-death-cross-crypto-trading-guide
2•chartscout•31m ago•0 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
3•AlexeyBrin•34m ago•0 comments

What the longevity experts don't tell you

https://machielreyneke.com/blog/longevity-lessons/
2•machielrey•35m ago•1 comments

Monzo wrongly denied refunds to fraud and scam victims

https://www.theguardian.com/money/2026/feb/07/monzo-natwest-hsbc-refunds-fraud-scam-fos-ombudsman
3•tablets•40m ago•1 comments

They were drawn to Korea with dreams of K-pop stardom – but then let down

https://www.bbc.com/news/articles/cvgnq9rwyqno
2•breve•42m ago•0 comments

Show HN: AI-Powered Merchant Intelligence

https://nodee.co
1•jjkirsch•45m ago•0 comments

Bash parallel tasks and error handling

https://github.com/themattrix/bash-concurrent
2•pastage•45m ago•0 comments

Let's compile Quake like it's 1997

https://fabiensanglard.net/compile_like_1997/index.html
2•billiob•46m ago•0 comments

Reverse Engineering Medium.com's Editor: How Copy, Paste, and Images Work

https://app.writtte.com/read/gP0H6W5
2•birdculture•51m ago•0 comments

Go 1.22, SQLite, and Next.js: The "Boring" Back End

https://mohammedeabdelaziz.github.io/articles/go-next-pt-2
1•mohammede•57m ago•0 comments

Laibach the Whistleblowers [video]

https://www.youtube.com/watch?v=c6Mx2mxpaCY
1•KnuthIsGod•58m ago•1 comments

Slop News - The Front Page right now but it's only Slop

https://slop-news.pages.dev/slop-news
1•keepamovin•1h ago•1 comments
Open in hackernews

Hardest part about building SaaS isn't code It's watching people use it

https://zropi.com
3•cryptowhisper•2w ago

Comments

cryptowhisper•2w ago
I spent 6 months building what I thought people wanted.

Clean UI. Fast performance. All the features competitors had and some unique ones. Launched it feeling confident.

Got 100 signups in week one. Felt amazing.

Week two? 3 people were still using it. Everyone else bounced.

That hurt. But what hurt more was I had no idea why.

Here's what I learned the hard way:

People don't leave because your product is bad. They leave because it doesn't fit into their actual life.

I was building features I thought were cool. Not features people would use every single day.

So I started over. But different this time.

I built something I needed myself first. An AI that actually help you with achieving your goals, helps with task like have its own pc , chat like a person like its alive , message first by itself when it wants, don't have to tell it to remind of something its just do so memory , send voice notes , images of itself, understand the pattern, emotions, in simple give a shit about me haha, not like give a big prompt then get answers haha it's like message like we do multiple messages on chat app

I used it for weeks before showing anyone. Fixed what annoyed me like sign up bs haha. Added what I actually missed when it wasn't there.

Then I let 10 people try it my friends and their friends haha. Watched how they used it. What they ignored. What made them come back.

The retention difference was insane.

First product: 6% came back after week one.

This one (zropi.com): 30%+ are still using it daily after a 3 weeks.

Same developer. Different approach.

The business model? its free currently completely. Still figuring it out. But I've got hundreds of users now who actually care about the product (Thank u guys haha). People used it multiple way I didn't expect to learn language, to just talk about life, dungeon master for D&D campaign, product review etc. Thats what made me think yes some potential there in it haha

If you're building something right now:

Use your own product every single day. If you're not, your users won't either.

Watch real people use it. Not demos. Real messy usage.

Retention beats features. Always.

Build what people come back to, not what looks good in screenshots.

I'm still learning this stuff. But the difference between building what I thought people wanted vs building what I actually needed myself? Night and day.

Anyone else been through this? Would love to hear your retention horror stories or wins.

ThrowawayR2•1w ago
Seventh repost in 5 days promoting the same site across multiple newly created accounts.

- Show HN: Built an AI that feels more real than any AI or chatbot (z----.com) 1 point by kaufy 3 days ago

- Show HN: Burnt out and failing, I built an AI that gives a shit 2 points by kaufy 4 days ago | 3 comments

- Show HN: Burnt out and failing, I built an AI that gives a shit (z----.com) 3 points by silentorbit 4 days ago | 3 comments

- Show HN: I was burnt out and& failing so I built AI that give shit about me (z---.com) 1 point by kaufy 4 days ago

- Show HN: I was burnt out and failing so I built AI that give shit about me 5 points by kaufy 5 days ago | 10 comments

- Show HN: I was burnt out, failing so I built AI that give shit about me (z----.com) 6 points by kaufy 5 days ago | 5 comments

- Show HN: Created an AI for myself to achieve goals, it might help you guys too (z---.com) 6 points by kaufy 5 days ago | 5 comments