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Advanced Geekery with David Gewirtz

My vibe debugging hangover, ways I use ChatGPT Work, how I code Apple apps Is that old phone worth anything? Getting started with ChatGPT Work Get a no-cost AI pro certificate and Google’s AI can see your business data Claude Code vs. Codex in-depth My favorite voice dictation tool, a legendary free course taught by AI pioneers, and I get a new toy Did my zombies break Google Earth? Also, my Bambu Lab A2L first impressions video I cloned the Codex keyboard, how to pick Claude tools, coffee is healthy OpenAI gutted its desktop app, new ChatGPT Work, 1Password in Claude Hands-on Claude Cowork, GPT-5.6, I review the Kobra X, and I say no to Fable 5 My plastic R2-D2, how to tame your OpenAI budget, I fought the spammers and my code won Gmail giveth and taketh away, Claude Tag, and another preview of my app My app sneak preview, more on Fable, and an AI search engine Inside the wacky Claude Fable saga, ChatGPT's problematic memory, and my food planner I test Claude's honesty, using AI to hack PDF pages, Microsoft's Work IQ I turned to AI to fix my glasses prescription, Claude gets more honest, and a new video Google’s creepy video clones, OpenAI’s un-strippable watermarks, and why traditional app security is dead. Stop signing unfair contracts, AI analyzes video, free Anthropic training courses How we test AI, protect yourself from the Canvas breach, and agentic coding myths Photoshop's AI rotate tool, ChatGPT's Images 2.0 slams Nano Banana and redesigns my UI I test ChatGPT Images 2.0 and GPT-5.5, Google goes to cyberwar, and more AI releases AI website builders don't suck anymore, a Codex desktop update, and a new David video An AI Manhattan Project, my vibe coding setup, and a useful Harbor Freight hack Gmail AI does something cool, a new free model from Google, and are IDEs obsolete? Use Gemini for pro headshots, new features from Codex and Claude, and I'm on Disney+ Manage your browser tabs with AI, vibe coding a YouTube fix, 1Password does agents, and GPT-5.4 mini I review ChatGPT 5.4 Thinking, ChatGPT Voice Mode tricks, Microsoft adds agent controls AI and cybersecurity, how I broke Gemini, GPT-5.4 vs humans Vibe coding with engineering discipline, cleaning the shop, and some scam warnings Choose the right chatbot, always-do instructions for my AI, Google exec on the future of Android Major fail trying free vibe coding, best ChatGPT settings, a 15x faster coding AI
Why VA on UPSs lie, how the Mac could help Apple win AI, ...
Advanced Geekery with David Gewirtz · 2026-09-14 · via Advanced Geekery with David Gewirtz

I’m David Gewirtz. Welcome to this week’s Advanced Geekery newsletter. It’s been an exciting week. Let’s dive in.

Advanced Geekery is published weekly on Substack and LinkedIn. Same content. Choose your favorite delivery method. Back Issues.

I’m back with a video I’ve been working on for months. This is the culmination of my Fab Lab power infrastructure project. I show how I install four Jackery 3600 Plus generators to supply the 3D printers with power. I also go into the how and why of the electrical loads, so you can understand where home UPSs fall down and why VA is really a fake marketing term, not something to use when setting up your power utilization strategy.

Here’s a quick recap of the articles I published in the last week on ZDNET.

The iPhone made Apple a giant - but the Mac could help it win the AI era: Looking back at Apple in 2011 and 1991 reveals an arc of technological change. The next chapter may hinge on whether Apple adapts to or loses its lead to AI.

$3,200 for a 2TB iPhone Duo? Let’s compare to Samsung and Google’s flagship foldables: Apple’s foldable iPhone Duo hits $3,199 with 2TB storage, but is it a futuristic pocket computer or an overpriced first-generation gamble?

Moving on, let’s queue up some interesting YouTube videos for your entertainment and edification.

  • The MicroJig folks have a new reverse dovetail bit. On its own, that’s not super exciting. But the demo dude showcases some neat uses for the bit, including a French-cleat-like snap-in shelving structure that’s very cool.

  • If you watch my video at the top of this newsletter, you’ll notice that the color looks better than some of my recent videos. I normally struggle mightily to get just mediocre color in Final Cut, but this video showed me how to pull in color settings from another video or image. It’s a game-changer. Not only does it save a ton of time, but the results look quite a bit better.

  • This is crazy. Dude let GPT-6 play City Skylines 2. His early attempts weren’t terribly satisfying. But after doing some tuning, GPT-6 took on the city builder and went to town.

Image: Morley Space Etsy shop

You no longer need a pocket protector to prove you’re a geek. Now you can celebrate your own advanced geekery with this official tee.

Hey, and I have a favor to ask. In order to get the shop to rank, reviews are really important. After you decide you want one of the shirts (they come in lots of colors and sizes) and place your order, please leave a review. The more reviews, the better. Even if you don’t order, you can help kickstart the store by favoriting a shirt or two.

Note: As an Amazon Associate, I earn from qualifying purchases, but not this week.

And now, some good stuff from around the Internet, well worth checking out.

I’d like to regularly spotlight a reader project or two here. Your project doesn’t have to be a big Kickstarter launch. If you’ve built something cool, it has some pretty pictures, and you’re proud of it, I might be able to share it here.

If you have a photogenic reader project, send an email to me at david@zatz.com with the subject “READER PROJECT,” a few pictures, and a short one-paragraph description. If you have a social media link or a link to the project, include that, too.

Available on all your favorite streaming services.

Both House of the Head and Choices Are Voices T-shirts are now on the merch store.

I’ve got a lot happening all over the web. Here are links to my various stuff:

Feel free to dig around, visit, and say hey!

Substack supports comments, so feel free to leave some. I promise to read them. Just, please, let’s keep our personal politics out of any discussion.

That should do it for this week. This newsletter is really starting to pick up subscribers. Please help it out by sharing links on all your socials.

Have a great week!

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