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The P in PGP isn't for pain: encrypting emails in the browser

https://ckardaris.github.io/blog/2026/02/07/encrypted-email.html
1•ckardaris•1m ago•0 comments

Show HN: Mirror Parliament where users vote on top of politicians and draft laws

https://github.com/fokdelafons/lustra
1•fokdelafons•2m ago•1 comments

Ask HN: Opus 4.6 ignoring instructions, how to use 4.5 in Claude Code instead?

1•Chance-Device•3m ago•0 comments

We Mourn Our Craft

https://nolanlawson.com/2026/02/07/we-mourn-our-craft/
1•ColinWright•6m ago•0 comments

Jim Fan calls pixels the ultimate motor controller

https://robotsandstartups.substack.com/p/humanoids-platform-urdf-kitchen-nvidias
1•robotlaunch•9m ago•0 comments

Exploring a Modern SMTPE 2110 Broadcast Truck with My Dad

https://www.jeffgeerling.com/blog/2026/exploring-a-modern-smpte-2110-broadcast-truck-with-my-dad/
1•HotGarbage•9m ago•0 comments

AI UX Playground: Real-world examples of AI interaction design

https://www.aiuxplayground.com/
1•javiercr•10m ago•0 comments

The Field Guide to Design Futures

https://designfutures.guide/
1•andyjohnson0•11m ago•0 comments

The Other Leverage in Software and AI

https://tomtunguz.com/the-other-leverage-in-software-and-ai/
1•gmays•13m ago•0 comments

AUR malware scanner written in Rust

https://github.com/Sohimaster/traur
3•sohimaster•15m ago•1 comments

Free FFmpeg API [video]

https://www.youtube.com/watch?v=6RAuSVa4MLI
3•harshalone•15m ago•1 comments

Are AI agents ready for the workplace? A new benchmark raises doubts

https://techcrunch.com/2026/01/22/are-ai-agents-ready-for-the-workplace-a-new-benchmark-raises-do...
2•PaulHoule•20m ago•0 comments

Show HN: AI Watermark and Stego Scanner

https://ulrischa.github.io/AIWatermarkDetector/
1•ulrischa•21m ago•0 comments

Clarity vs. complexity: the invisible work of subtraction

https://www.alexscamp.com/p/clarity-vs-complexity-the-invisible
1•dovhyi•21m ago•0 comments

Solid-State Freezer Needs No Refrigerants

https://spectrum.ieee.org/subzero-elastocaloric-cooling
2•Brajeshwar•22m ago•0 comments

Ask HN: Will LLMs/AI Decrease Human Intelligence and Make Expertise a Commodity?

1•mc-0•23m ago•1 comments

From Zero to Hero: A Brief Introduction to Spring Boot

https://jcob-sikorski.github.io/me/writing/from-zero-to-hello-world-spring-boot
1•jcob_sikorski•23m ago•1 comments

NSA detected phone call between foreign intelligence and person close to Trump

https://www.theguardian.com/us-news/2026/feb/07/nsa-foreign-intelligence-trump-whistleblower
9•c420•24m ago•1 comments

How to Fake a Robotics Result

https://itcanthink.substack.com/p/how-to-fake-a-robotics-result
1•ai_critic•24m ago•0 comments

It's time for the world to boycott the US

https://www.aljazeera.com/opinions/2026/2/5/its-time-for-the-world-to-boycott-the-us
3•HotGarbage•25m ago•0 comments

Show HN: Semantic Search for terminal commands in the Browser (No Back end)

https://jslambda.github.io/tldr-vsearch/
1•jslambda•25m ago•1 comments

The AI CEO Experiment

https://yukicapital.com/blog/the-ai-ceo-experiment/
2•romainsimon•26m ago•0 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
4•surprisetalk•30m ago•0 comments

MS-DOS game copy protection and cracks

https://www.dosdays.co.uk/topics/game_cracks.php
4•TheCraiggers•31m ago•0 comments

Updates on GNU/Hurd progress [video]

https://fosdem.org/2026/schedule/event/7FZXHF-updates_on_gnuhurd_progress_rump_drivers_64bit_smp_...
2•birdculture•32m ago•0 comments

Epstein took a photo of his 2015 dinner with Zuckerberg and Musk

https://xcancel.com/search?f=tweets&q=davenewworld_2%2Fstatus%2F2020128223850316274
14•doener•32m ago•2 comments

MyFlames: View MySQL execution plans as interactive FlameGraphs and BarCharts

https://github.com/vgrippa/myflames
1•tanelpoder•33m ago•0 comments

Show HN: LLM of Babel

https://clairefro.github.io/llm-of-babel/
1•marjipan200•33m ago•0 comments

A modern iperf3 alternative with a live TUI, multi-client server, QUIC support

https://github.com/lance0/xfr
3•tanelpoder•35m ago•0 comments

Famfamfam Silk icons – also with CSS spritesheet

https://github.com/legacy-icons/famfamfam-silk
1•thunderbong•35m 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?