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Implementing Auto Tiling with Just 5 Tiles

https://www.kyledunbar.dev/2026/02/05/Implementing-auto-tiling-with-just-5-tiles.html
1•todsacerdoti•1m ago•0 comments

Open Challange (Get all Universities involved

https://x.com/i/grok/share/3513b9001b8445e49e4795c93bcb1855
1•rwilliamspbgops•1m ago•0 comments

Apple Tried to Tamper Proof AirTag 2 Speakers – I Broke It [video]

https://www.youtube.com/watch?v=QLK6ixQpQsQ
2•gnabgib•3m ago•0 comments

Show HN: Vibe as a Code / VaaC – new approach to vibe coding

https://www.npmjs.com/package/@gace/vaac
1•bstrama•5m ago•0 comments

Show HN: More beautiful and usable Hacker News

https://twitter.com/shivamhwp/status/2020125417995436090
3•shivamhwp•5m ago•0 comments

Toledo Derailment Rescue [video]

https://www.youtube.com/watch?v=wPHh5yHxkfU
1•samsolomon•7m ago•0 comments

War Department Cuts Ties with Harvard University

https://www.war.gov/News/News-Stories/Article/Article/4399812/war-department-cuts-ties-with-harva...
5•geox•11m ago•0 comments

Show HN: LocalGPT – A local-first AI assistant in Rust with persistent memory

https://github.com/localgpt-app/localgpt
1•yi_wang•12m ago•0 comments

A Bid-Based NFT Advertising Grid

https://bidsabillion.com/
1•chainbuilder•15m ago•1 comments

AI readability score for your documentation

https://docsalot.dev/tools/docsagent-score
1•fazkan•23m ago•0 comments

NASA Study: Non-Biologic Processes Don't Explain Mars Organics

https://science.nasa.gov/blogs/science-news/2026/02/06/nasa-study-non-biologic-processes-dont-ful...
2•bediger4000•26m ago•2 comments

I inhaled traffic fumes to find out where air pollution goes in my body

https://www.bbc.com/news/articles/c74w48d8epgo
2•dabinat•26m ago•0 comments

X said it would give $1M to a user who had previously shared racist posts

https://www.nbcnews.com/tech/internet/x-pays-1-million-prize-creator-history-racist-posts-rcna257768
4•doener•29m ago•1 comments

155M US land parcel boundaries

https://www.kaggle.com/datasets/landrecordsus/us-parcel-layer
2•tjwebbnorfolk•33m ago•0 comments

Private Inference

https://confer.to/blog/2026/01/private-inference/
2•jbegley•37m ago•1 comments

Font Rendering from First Principles

https://mccloskeybr.com/articles/font_rendering.html
1•krapp•40m ago•0 comments

Show HN: Seedance 2.0 AI video generator for creators and ecommerce

https://seedance-2.net
1•dallen97•44m ago•0 comments

Wally: A fun, reliable voice assistant in the shape of a penguin

https://github.com/JLW-7/Wally
2•PaulHoule•45m ago•0 comments

Rewriting Pycparser with the Help of an LLM

https://eli.thegreenplace.net/2026/rewriting-pycparser-with-the-help-of-an-llm/
2•y1n0•47m ago•0 comments

Lobsters Vibecoding Challenge

https://gist.github.com/MostAwesomeDude/bb8cbfd005a33f5dd262d1f20a63a693
2•tolerance•47m ago•0 comments

E-Commerce vs. Social Commerce

https://moondala.one/
1•HamoodBahzar•48m ago•1 comments

Avoiding Modern C++ – Anton Mikhailov [video]

https://www.youtube.com/watch?v=ShSGHb65f3M
2•linkdd•49m ago•0 comments

Show HN: AegisMind–AI system with 12 brain regions modeled on human neuroscience

https://www.aegismind.app
2•aegismind_app•53m ago•1 comments

Zig – Package Management Workflow Enhancements

https://ziglang.org/devlog/2026/#2026-02-06
1•Retro_Dev•54m ago•0 comments

AI-powered text correction for macOS

https://taipo.app/
1•neuling•58m ago•1 comments

AppSecMaster – Learn Application Security with hands on challenges

https://www.appsecmaster.net/en
1•aqeisi•59m ago•1 comments

Fibonacci Number Certificates

https://www.johndcook.com/blog/2026/02/05/fibonacci-certificate/
2•y1n0•1h ago•0 comments

AI Overviews are killing the web search, and there's nothing we can do about it

https://www.neowin.net/editorials/ai-overviews-are-killing-the-web-search-and-theres-nothing-we-c...
5•bundie•1h ago•1 comments

City skylines need an upgrade in the face of climate stress

https://theconversation.com/city-skylines-need-an-upgrade-in-the-face-of-climate-stress-267763
3•gnabgib•1h ago•0 comments

1979: The Model World of Robert Symes [video]

https://www.youtube.com/watch?v=HmDxmxhrGDc
1•xqcgrek2•1h ago•0 comments
Open in hackernews

Built a wrapper on OpenAI, hit 100k users. Then came the email that ended it

1•jpctan•6mo ago
I bootstrapped and built an AI wrapper for LinkedIn users to build relationships through strategic commenting. It also has an agentic component that monitors and brings all the latest posting activities from monitored prospects into a single page, so users can focus and engage only with those people that matter.

Entrepreneurs, B2B business people, and salespeople love it because the app saves them from endless scrolling through the newsfeed while engaging with their prospects efficiently.

Introverts and ESL speakers DMed me saying how it changed their lives.

Little did we know it went viral, and we acquired 100k users in over 150 countries, without any marketer or marketing budget.

It all went well. We're building new features like social signals while planning to expand to other platforms.

Except one day, I woke up to find a Cease and Desist email from LinkedIn Legal Counsel...

In short, they do not like everything we do.

I anticipated a day like this would come but didn’t expect it so soon. I naively thought they would go after all the full automation tools that spam their users, while we always put humans in the loop, despite receiving so many requests from users.

We complied with the request and shut down the service immediately.

Here are the lessons I learnt and I hope you can benefit from them.

What to avoid:

- It's tougher to use the strategy of embedding yourself onto a big platform like PayPal did with eBay and Airbnb did with Craigslist - It's tough to build on top of a big platform when you don’t have their blessing. Even when you do, they can wipe you out overnight - Startups will face tougher competition as big tech tightens their control over the technology, market, and access

What to bank on:

- It's possible to scale and make something people want while being super lean - Market positioning and being in a niche is extremely important in the early days - There are (still) so many opportunities to be unlocked by AI-first products

This whole journey has been a wild ride. From solving my own problem to going viral and then getting shut down by the very platform we served, I’ve learned a lot.

If you’re curious about how and why I built the app, I wrote this detailed piece with screenshots and early thinking behind the product.

Read it here: https://docs.google.com/document/d/1ayG5791HokMGx6s-JvtLLSek9cW-vSpbC2BNXAuRxo8/edit?usp=sharing

Would love to hear from others who’ve built on top of big platforms.

What would you do differently if you were in my shoes?