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Ask HN: What product failed for you–and what went wrong?

2•xnslx•1h ago
What’s a product you built that didn’t work out? Everyone shares what worked. I’m equally curious about what didn’t.

If you’ve built something that didn’t take off, would you mind

#1. sharing the product, and

#2. in one sentence, what it was and why you think it didn’t work?

Good ideas are often counterintuitive. I’m curious what bad ideas look like.

An unbiased benchmark for how well agents can read your docs

https://docsalot.dev/benchmarks/docs
1•fazkan•1m ago•0 comments

America's retail army came to rule the stock market

https://www.ft.com/content/ee8a0604-84cb-44da-bb33-f36818944581
1•petethomas•3m ago•0 comments

Started Exploring Payment Infrastructure for Online Businesses (Stripe, API)

https://chain2pay.cloud
1•fintraxx•3m ago•0 comments

The Open Social Web Needs Section 230 to Survive

https://www.techdirt.com/2026/05/04/the-open-social-web-needs-section-230-to-survive/
2•HotGarbage•10m ago•0 comments

When Decoded Isn't Verified: Closing a Trust-Boundary Gap in Envoy's JWT Filter

https://netguard24-7.com/blog/envoy-jwt-authn-confused-deputy-pr-43630
1•cybrdude•12m ago•0 comments

The Roomba Guy's Second Act: A Robot You'll Want to Snuggle

https://www.wsj.com/tech/ai/familiar-machines-and-magic-robot-c8711e45
1•aanet•13m ago•1 comments

April 2026 Links

https://nomagicpill.substack.com/p/april-2026-links
1•nomagicpill•14m ago•0 comments

Cerebras Leads Crop of IPOs Rushing to Tap Market Before SpaceX

https://techcrunch.com/2026/05/04/openais-cozy-partner-cerebras-is-on-track-for-a-blockbuster-ipo/
2•giwook•17m ago•0 comments

ARPA-H allocates $35M to osteoarthritis reversal therapy

https://www.colorado.edu/today/2026/04/06/simple-shot-shows-promise-reverse-osteoarthritis-within...
1•warbaker•17m ago•0 comments

Hantavirus crops up on a cruise ship – what scientists are watching

https://www.nature.com/articles/d41586-026-01450-7
1•warbaker•24m ago•0 comments

The Grand Theory of Everything (2007)

https://dl.acm.org/doi/pdf/10.1145/1281421.1281430
2•jruohonen•26m ago•0 comments

Ask HN: Cryptic refusals of credit cards with Firefox?

1•everybodyknows•26m ago•1 comments

KDE Plasma gesture handling and other input related news

https://blogs.kde.org/2026/05/03/gestures-in-graz-and-beyond/
2•f_r_d•26m ago•0 comments

Bringing WolfHSM to STM32H5 TrustZone: Production-Grade HSM on a Cortex-M33

https://www.wolfssl.com/bringing-wolfhsm-to-stm32h5-trustzone-production-grade-hsm-on-a-cortex-m33/
1•aidangarske•26m ago•0 comments

The A.I. Industry Is Booming. When Will It Make Money?

https://www.newyorker.com/news/the-financial-page/the-ai-industry-is-booming-when-will-it-actuall...
4•petethomas•28m ago•0 comments

Show HN: Continuum, a pedantic recreation of the OMNI font

https://github.com/ChristopherDrum/continuum/
2•ChristopherDrum•30m ago•0 comments

The First Firmware TPM with Post-Quantum Cryptography

https://www.wolfssl.com/the-first-firmware-tpm-with-post-quantum-cryptography/
1•aidangarske•30m ago•0 comments

SEC vs. Consent Motion for Entry of Final Judgement [pdf]

https://www.sec.gov/files/litigation/complaints/2026/judgment26548.pdf
1•ksherlock•32m ago•0 comments

The First COSE Implementation with ML-DSA

https://aidangarske.github.io/wolfCOSE/blog/wolfcose-pqc-cose/
1•aidangarske•35m ago•0 comments

The case against OpenAI is getting markedly stronger

https://twitter.com/garymarcus/status/2051347785761616101
4•abriosi•36m ago•0 comments

Why Waste Money?

https://rentry.co/it937bh4
2•gavmor•37m ago•1 comments

Show HN: 10K English words traced to 4 foundations(Space, Time, Energy, Pattern)

1•sauronsrv•39m ago•0 comments

Ask HN: Where are you getting your AI news from?

4•baetylus•40m ago•0 comments

SprintiQ – open-source sprint planning for Claude Code

https://github.com/SprintiQ-Incorporated/sprintiq
2•sprintiq•42m ago•0 comments

One Map Key, One Lookup

https://testing.googleblog.com/2026/04/one-map-key-one-lookup.html
2•birdculture•45m ago•0 comments

Must We 'Do Lunch'?

https://www.ft.com/content/13265324-7614-40a2-a3f6-0066ffb83c21
1•JumpCrisscross•48m ago•0 comments

Nothing Is Something

https://blog.jim-nielsen.com/2024/nothing-is-something/
2•SpyCoder77•48m ago•0 comments

HeadVis: An Interactive Tool for Investigating Attention Heads

https://transformer-circuits.pub/2026/headvis/index.html
2•rajeevn•53m ago•0 comments

Powerful AI finds 100 hidden planets in NASA data including extreme worlds

https://www.sciencedaily.com/releases/2026/05/260502233926.htm
3•bilsbie•56m ago•0 comments

Version-controlled databases using Prolly trees

https://lwn.net/SubscriberLink/1068864/4d53e651a1254bce/
1•zorgmonkey•58m ago•0 comments