Tech

285 posts

2026

10 Jun I built a web-based virtual null modem to play Quake I in MS-DOS in multiplayer online 𝕏
8 Jun Indie hackers build fancy AI factories but have no money or traffic 𝕏
7 Jun I built a web-based dot matrix printer that prints from Windows 3.11 𝕏
6 Jun Everyone can now build apps with AI so now distribution is the real challenge 𝕏
4 Jun Revolut fixed my banking nightmares after Rabobank froze my card in Bali and made me homeless in the US 𝕏
3 Jun This is how you do a great startup video 𝕏
28 May EU AI fund is all cronyism and taxpayer money burnt 𝕏
26 May My friend's Lisbon office got burglarized and Portuguese police refused to recover his Airtagged Apple display 𝕏
22 May My daily laptop and iPhone setup for sites on a VPS with Claude Code 𝕏
22 May My latest Termius and tmux setup for every site 𝕏
17 May Barcelona has drug dens and violent crime in El Raval that Google Maps won't show 𝕏
17 May Hoodmaps.com now has crime data 𝕏
10 May Cloudflare is now the cheapest email provider at $354/mo 𝕏
9 May Most EV chargers in Portugal are out of service thanks to EU subsidies 𝕏
5 May My gf banned from reviewing places on Google Maps in Europe after one 1-star review 𝕏
2 May Airthings is the best air sensor after trying fakes and dodgy ones 𝕏
1 May I still haven't solved the CO2 bedroom challenge 𝕏
30 Apr Winning my first big Stripe dispute in a decade with a vibe coded responder 𝕏
23 Apr Claude was dumbified on March 4 exactly when we noticed 𝕏
23 Apr I open sourced my first Chrome extension SuperLevels 𝕏
18 Apr My sites get 4 billion requests a year but I only pay $244/mo to host them on my own VPS 𝕏
6 Apr Made an auto-dispute response system for Interior AI to see how easy it'd be 𝕏
5 Apr Tech insiders avoid touchscreens and smart homes because they know the downsides 𝕏
1 Apr I made a free open source xdr boost app for macOS using claude code in 5 minutes 𝕏
28 Mar Give us more data to make sure it's you after we've been breached 𝕏
26 Mar ChatControl is back with a vengeance 𝕏
16 Mar Quake III server now runs in the browser 7 years later 𝕏
6 Mar OpenClaw's real power user is my girlfriend chatting with it in Telegram 𝕏
6 Mar Photoai.com is a 40,870 line index.php making 105,000/mo revenue and 80,000/mo profit 𝕏
28 Feb I ran Claude Code on the server in bypass mode and outran my todo list 𝕏
24 Feb Built my own gaussian splat viewer for Interior AI 𝕏
24 Feb How to build a bootstrapped startup without funding 𝕏
21 Feb 1983 Wall Street Raiders game reverse engineered from 115,000 lines of BASIC 𝕏
17 Feb Steipete on why Europe can't retain talent due to regulations and labor laws 𝕏
16 Feb Added dark mode to my http proxy for reading on kindle 𝕏
3 Feb EU countries are now trying to censor speech on social media nationally after DSA failed 𝕏
20 Jan Europe's 28th regime could create a Delaware for startups 𝕏
15 Jan The era of fake e-girl influencers has started 𝕏
13 Jan Moved all my sites LLM APIs now to xAI 𝕏

2025

23 Dec I glued an AirTag to a yogurt box to track if recycling is real 𝕏
17 Dec I bought over $1M in Google because Sergey returned and they're winning AI 𝕏
15 Dec Sergey Brin got so bored of his $450M yacht he had to create things again 𝕏
13 Dec I got 100+ mbps plane internet on Qatar Airways with Starlink 𝕏
13 Dec Amap is my favorite navigation app in China 𝕏
13 Dec Chinese EVs are beating German cars with better software and innovation 𝕏
13 Dec The EU is in control of what you see online thanks to the Digital Services Act 𝕏
13 Dec NIO is another very popular EV brand in China 𝕏
4 Dec Chinese high speed trains are now faster than the Japanese Shinkansen 𝕏
29 Nov Rich BigTech wives destabilizing society from 2016 to 2023 via giant NGO donations 𝕏
28 Nov Chinese brands replacing Western brands in China 𝕏
28 Nov Rentable powerbanks in China scan with Alipay but would get stolen in US or Europe 𝕏
27 Nov Beijing uses robot arms at toll booths 𝕏
27 Nov China airport confiscated our power banks without CCC certification 𝕏
26 Nov Got Alipay to work in China as proxy for Didi Meituan and Baidu 𝕏
25 Nov China isn't easy to travel 𝕏
21 Nov Netherlands changes stock options tax to us system for startups 𝕏
20 Nov EU is finally scaling down GDPR, AI Act and cookie banner laws 𝕏
17 Nov Only the US and China have actual substantial startup activity now 𝕏
13 Nov EU ChatControl is back with even more far reaching surveillance through the back door 𝕏
27 Oct European Commission denies my request for GPUs 𝕏
24 Oct EU's AI factory plan requires proposals while Lambda gives you 8x H100s in 5 minutes 𝕏
24 Oct I can't use the EU's GPUs because Horizon 2020 closed in 2020 𝕏
23 Oct EU AI factories have 500x less compute than xAI 𝕏
23 Oct EU AI factories require proposal calls and endless ethical questionnaires instead of simple GPU access 𝕏
29 Sep Get a VPS at Hetzner already 𝕏
25 Aug Correlation between screen size and your importance in the company 𝕏
22 Jun I made a trailer for the future of humanity (e/acc) 𝕏
15 Jun I randomly discovered Dubai has an absolutely massive solar farm 𝕏
21 May Visiting my API provider FAL in San Francisco 𝕏
11 May Visiting OpenAI's office in San Francisco and seeing the city's improvements 𝕏
10 Apr Europe wants to reduce its anti-AI act and GDPR to compete in AI 𝕏
10 Apr Andrej Karpathy visited my weekly coworking in Portugal 𝕏
7 Apr Europe to slash GDPR privacy law in weeks to compete with US and China 𝕏
25 Mar What ChatGPT says the devil would do to keep an entire nation sick 𝕏
4 Mar What's crazy when you read about Taiwan Semiconductors is you realize Nvidia are essentially dropshippers 𝕏
22 Feb fly.pieter.com, my first vibecoded flight simulator which reached $1M ARR in 17 days 𝕏
16 Feb Man investigated after calling German vice-chancellor ‘idiot’ 𝕏
11 Jan Europe slowly realizing it's losing the last control it had on the world with ignored censorship requests 𝕏

2024

29 Dec The only planes left with zero fatal accidents now 𝕏
22 Dec A tractor is a great parallel to AI because it helps people do their work easier and faster 𝕏
18 Dec Self driving cars react 150x faster than a human driver 𝕏
14 Dec Europe is ruled by rich nepotist families and unelected corporatist cronies killing startups 𝕏
10 Dec How Elon does politics is smartest and my 6 goals for Europe 𝕏
9 Dec I got 1 billion views on X in the last 12 months 𝕏
9 Dec Both a16z and YC's request for startups for 2025 just came out 𝕏
8 Dec I put an AirTag in my plastic recycling to see if it actually gets recycled 𝕏
22 Nov My minimal solo founder setup with 100% automation and 99% profit margins 𝕏
1 Nov What is happening to Google now is pretty much textbook of what happened to Xerox PARC, but worse 𝕏
1 Nov Sundar Pichai fumbled Google's AI head start and it'll be studied for decades 𝕏
31 Oct Rent an empty office space and invent the future 𝕏
6 Oct Macron warns EU has only 2 or 3 years before total US and China dominance 𝕏
26 Sep Will there be anyone left at OpenAI in the future? 𝕏
26 Sep Sam Altman will give himself 7% of OpenAI worth $10.5B 𝕏
22 Sep Fireside chat with Balaji Srinivasan at Network State Conference 2024
16 Sep Thierry Breton resigns after EU AI Act and DSA criticism 𝕏
12 Sep Arresting Jack Ma was the dumbest thing China has ever done 𝕏
9 Sep My recommendations for mario draghi's EU competitiveness report 𝕏
5 Sep Bali broke ground on a subway that will connect the entire island 𝕏
5 Sep Google APIs are the worst APIs on the web to work with 𝕏
31 Aug European founder had to move to the US to build a humanoid robot company 𝕏
25 Aug Pavel Durov arrested in France 𝕏
24 Aug I still meet programmers who are not using AI to code 𝕏
24 Aug The web development industrial complex has lied to your face 𝕏
20 Aug Lex Fridman Podcast 𝕏
19 Aug Apple Maps vs Google Maps in 2024 𝕏
30 Jul Amazon is a showroom for Aliexpress which is a showroom for Taobao 𝕏
30 Jul Building Pieter.com, my retro PC in the browser 𝕏
24 Jul Finally met my hero Patrick Collison founder of Stripe 𝕏
13 Jul Thierry Breton represents 100+ year old European dinosaur companies as EU tech policy director 𝕏
10 Jul All Airbus models made in the last 25 years have zero fatal crashes 𝕏
9 Jul If cars were invented today the European Union would have regulated them out of existence in favor of horses 𝕏
4 Jul Japan is not futuristic it's a fossil stuck in 1990 unlike China Korea and Vietnam 𝕏
2 Jul Jack Ma met Jerry Yang at the great wall of China in 1997 𝕏
30 Jun I made luggage losers a live ranking of airlines by lost luggage 𝕏
15 Jun Learn Python for remote AI jobs paying median 80k 𝕏
13 Jun So many VC funded exits are actually massive failures 𝕏
5 Jun US proposes ban on DJI drones after it became world's biggest manufacturer 𝕏
19 May US bans Chinese companies after they become market leaders 𝕏
27 Mar Wayfair used my AI interior design tool to build their own 𝕏
21 Mar Uber is completely useless in Argentina because of a hardcoded price check 𝕏

2023

22 Dec AI generated images are 10,000x cheaper than any human could charge 𝕏
10 Dec Open source LLMs reaching GPT-4 levels way earlier than we thought is the most exciting thing now to me 𝕏
9 Dec There are more regulators in this room than AI scientists in all of EU 𝕏
6 Dec Nobody will build apps on Gemini because Google always shuts things down 𝕏
2 Dec You're just lucky 𝕏
27 Nov Open sourced my entire ChatGPT code for image text adventures 𝕏
21 Nov Trying self hosting alpaca a finetuned llama model after OpenAI drama 𝕏
16 Nov I made my first video game with ChatGPT DALL-E RunwayML and ElevenLabs 𝕏
13 Nov How i'd validate 30 startup ideas in 2023 with tiktok and Stripe preorders 𝕏
25 Sep Actionable marketing tactic to get tiktok videos about your app for $100-$300 𝕏
9 Sep I asked GPT4 which countries you should invest in real estate 𝕏
7 Sep Unbothered writing vanilla JavaScript while web dev Twitter fights over TypeScript 𝕏
4 Aug Good example is GoJEK a super app in Asia where you can do everything from ordering an Uber to massage and investing 𝕏
13 Jul Luxury restaurant in Portugal won't accept Visa or MasterCard but barefoot food cart guy in Brazil does 𝕏
13 Jul MacBook adaptor costs $220 in Brazil instead of $99 due to import taxes 𝕏
3 Jul Photo AI is almost 14,000 lines of raw PHP making $61,808 per month 𝕏
24 Jun Wagner coup is like when you hire a web dev and give GitHub access and he takes over your site 𝕏
20 Jun Big Dutch dairy company wants me to help create their AI strategy 𝕏
17 Jun While the EU fights about nuclear energy China plans 150 new reactors 𝕏
15 Jun I wish everywhere had these power outlets that accept any plug from US UK EU plus USB-C 𝕏
14 Jun Photo AI adds try on mode for AI clothing models 𝕏
13 Jun So why do you have a sticker over your webcam 𝕏
29 Apr Easiest hack to save lots of money is registering as a company 𝕏
15 Apr Casio watch face for Apple Watch 𝕏
18 Mar Two types of people now 𝕏
18 Feb VC startup $100M exit nets 4 cofounders $47 per hour after dilution and taxes 𝕏
10 Feb My new project Photo AI a photorealistic AI photo studio 𝕏
6 Feb Google AI launches are all press releases without functioning products 𝕏
16 Jan My new AI model is great 𝕏

2022

19 Dec I proved people now have AI bots using ChatGPT to reply to tweets 𝕏
15 Dec Music generated by finetuning Stable Diffusion on spectrograms then generating any song possible 𝕏
10 Dec The real opportunity in AI for most people is building a front end around it 𝕏
11 Nov My GitHub contribution graph from 2014 to 2022 𝕏
7 Nov Sold $100,000 in AI-generated avatars with AvatarAI.me in 10 days 𝕏
28 Oct Create your own AI avatars with my new mini project avatarAI.me 𝕏
10 Oct Asking successful people about their tech stack is focusing on the wrong thing 𝕏
4 Oct How I built Interiorai.com from scratch in 5 days 𝕏
26 Sep Don't make the goddamn app build a functional mobile site instead 𝕏
18 Sep This House Does Not Exist
5 Sep My new project thishousedoesnotexist.org lets you generate AI ArchDaily style houses 𝕏
3 Sep Ordered custom tailored 100% cotton shirts from son of a tailor 𝕏
2 Sep How to generate AI images with Stable Diffusion on MacBook M1/M2 for free 𝕏
17 Aug Craigslist has the most usable UX ever made 𝕏
28 Jul Todo.txt users sit at both ends of the IQ bell curve 𝕏

2021

23 Nov Web4 will be finally closing our computer and going outside 𝕏
31 Oct Me when I deploy to production without testing 𝕏
9 Sep Made a fully functional fake VS Code to browse remote jobs without your boss finding out 𝕏
6 Sep Chinese companies are silently ending US tech dominance 𝕏
26 Jun 3 of my close friends were hacked this month because they didn't have 2FA 𝕏
6 Jun I just bought my first billboard in front of Apple's headquarters 𝕏
12 Apr Photopea makes almost $1M/y built by Ukrainian indie maker with vanilla JS 𝕏
12 Apr Remote ok is a single PHP file generating $101,101 this month 𝕏
10 Jan I did a live 4+ hour AMA on Twitch w/ @roxkstar74

2020

19 Dec This is the most exciting time in history to start a company online 𝕏
10 Dec Normalization of non-deviance
2 Nov Overengineering everything is the disease of modern day developers 𝕏
21 Oct Quibi burned 2 billion dollars of VC funding in 6 months 𝕏
2 Oct 2020 sucked so I'm giving away another MacBook Pro 16" to cheer people up 𝕏
21 Sep RemoteOK.io is a single PHP file generating $65,651 this month 𝕏
28 Aug This week i built a startup idea generator with GPT-3 𝕏
12 May Twitter will allow employees to work from home permanently 𝕏
2 May I added a fake Japanese city called Dorobō to Nomad List to catch data thieves 𝕏
11 Apr Product Hunt Podcast: 5 years in startups with Abadesi
11 Jan Twitter giveaways can be hacked to win every time

2019

2018

5 Dec Photopea is a 100% free browser version of Photoshop and it's better 𝕏
24 Nov In Beijing you can add your public transit card to Apple Wallet 𝕏
23 Nov Every receipt in Beijing gives you a QR code for digital bookkeeping 𝕏
1 Oct Visited my favorite fintech Revolut's office in London and met the co-founder 𝕏
26 Sep Launched no more Google on product hunt 𝕏
18 Aug Why Europe can't do tech: low risk tolerance chart 𝕏
29 Jul Internet speed vs murder rate 𝕏
27 Jul Barriers of entry to building a startup have never been so low 𝕏
18 Jul The internet complains about facebook selling data but wants indie apps for free 𝕏
4 Jul EU is making it impossible for startups to operate 𝕏
27 May Went to a robot hotel with self check-in and no humans 𝕏
6 Mar Brazil hackers built an AI bot that finds anomalies in public spending 𝕏
29 Jan I'm Product Hunt's Maker of the Year again!
26 Jan Using osx’s screenshot tool as a screen ruler 𝕏
24 Jan Turning side projects into profitable startups
3 Jan What I learnt from 100 days of shipping

2017

2016

2015

2014

2013

2012

18 Oct The death of the corporate drone
4 Oct New Panda Mix Show branding and website
5 Jul Why buying YouTube views is bad

1998

2 Jan I made the Internet Huis where you can walk around in my house online

1997

24 Feb I made a homepage for my brother Jeroen in 1997

1996

14 Mar I made my first homepage in 1996