Next month, I’ll be speaking at dotJS in Paris 🇫🇷 about **client-side AI on the Web**—running AI directly in the browser and what that enables for web developers. If you’re planning to attend, you can get **20% off your ticket** using the code **SPEAKER20**: www.dotjs.io See you in Paris!

🔥 45% OFF What if you didn’t need that framework? My new book “Vanilla Web” is @manning.com Deal of the Day. Modern standards. Fewer dependencies. More control. And a smaller, cleaner surface that works better with AI agents. Early access edition 👇 www.manning.com/dotd?utm_cam...

Attending #WebAI Summit in Sunnyvale 🇺🇸 today

Meta's big reveal today: smart glasses with a display and a wristband for gesture control. Cool. I'm now wearing my Google Glass (2013) + Myo armband (2014). Same thing! minus the AI 😂

Five years ago, I published an open letter denouncing Apple employees for their hostile and bullying attitude toward developers who voiced criticism. It gained enough traction that, a few days later, Tim Cook briefly responded to it in the U.S. Congress. Letter: firt.dev/lazy

20 years ago in Buenos Aires, I launched Latin America’s first Mobile App Dev career. I built the full curriculum: J2ME, .NET, WAP, SMS, Symbian, Palm & more — years before iPhone or Android even existed. 😀

🔴ADD TO HOME SCREEN on iOS 26 and iPadOS 26 Any website is treated as an app by default (a.k.a. a PWA) if added to the home screen. "Add to home Screen" is now 3 taps away: 1️⃣ ... menu 2️⃣ Share 3️⃣ ... more (second one)

All #WWDC25 videos are now live! Quick fun detail: some slides mention Safari 19 instead of the final name, Safari 26 — just like when xrOS appeared instead of visionOS 😅 Here’s a thread with the six web-related sessions you can watch now 👇

PHP is now 30 years old! 🥳 It's still alive! I've published a PHP Basics course a few months ago. firt.dev/php-course/

🟡 NEW COURSE OUT! Build a high-performance full-stack app from scratch — no frameworks. Vanilla JavaScript frontend + rock-solid Go backend with a JSON API. Now on @frontendmasters.com Get 10% OFF First month at firt.dev/vanillajs-go/

My talk titled “Unlocking Generative AI in your Web App” was delivered last week at @devoxx.uk and is now available for viewing. Check it out! firt.dev/genai-web-ap...

Hello London 🇬🇧. Always happy to walk around the city.

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Devoxx UK London starting now 🇬🇧 It's great to see hundreds of developers in one physical room in 2025. 😅 @devoxx.uk

"The Town that Went Crazy For Crypto" Last Sunday, the printed US edition of The New York Times featured my investigation from a few months ago into a huge crypto scam involving Polish actors hired as fake executives in a small town in Argentina. It's an incredible story! Links in reply!