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Advanced Geekery with David Gewirtz

Why VA on UPSs lie, how the Mac could help Apple win AI, and a $3200 iPhone 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 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
I test ChatGPT Images 2.0 and GPT-5.5, Google goes to cyb...
Advanced Geekery with David Gewirtz · 2026-04-27 · 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.

This week, I printed a wall-busting bust of Ghostbuster’s Slimer using the Bambu Lab H2D and six spools of filament loaded at once. I gave a still from the video to the new ChatGPT Images 2.0 using GPT-5.5 (both reviewed in the next section) and it generated the thumbnail you see below.

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

I put GPT-5.5 through a 10-round test: It scored 93/100, losing points only for exuberance: OpenAI’s latest model delivers powerful results but sometimes ignores simple directions, creating a tension between intelligence and control.

I tried ChatGPT Images 2.0: A fun, huge leap - and surprisingly useful for real work: My ChatGPT Images 2.0 results were impressive, but occassionally wrong. Here’s how it handles branding, text, and infographics.

I got an early look at ChatGPT Images 2.0, and it’s impressive - with one exception: OpenAI’s new ChatGPT Images 2.0 promises precision and design control. Here’s how to try it for yourself.

Moonshot AI’s new Kimi K2.6 swarms your complex tasks with 1,000 collaborating agents: Kimi K2.6’s impressive new capabilities could redefine how developers approach complex, multi-step engineering workflows.

Google bets $32B on AI agent cyber force as security arms race escalates: With Wiz and AI agents, Google is gearing up for a cyberwar where machines fight at speeds humans can’t match.

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

  • Most of you probably know by now how much I enjoy the Apple TV show For All Mankind. Well, Star City is coming out next month, and it’s the same story from the point of view of the Soviets. Here’s the trailer. I can’t wait!

  • I like Morley Kurt’s projects. This time, he turns an old pallet into a desk he sold for $1,200.

  • Here’s a fun musical selection, courtesy of my wife. This bluegrass band performs “Gangnam Style”. This is why the Internet was invented.

Image: BuildTak

Some of you might have noticed an interesting spatula used to remove the Ghostbusters Slimer model from my H2D. The fine folks at BuildTak sent one to me a few years back and it’s sometimes the only thing that works to get a model off of a build plate.

It comes in two sizes, it’s been with me for years, and it’s fairly inexpensive. If you do 3D printing, this should be in your build kit.

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’ve always found that extra space at the end of a ruler annoying. But here’s why it’s there.

  • A 2,000 year old carnyx, an Iron Age trumpet, was found in England, nearly completely intact. It’s quite the find.

  • ZDNET’s Adrian Kingsley-Hughes drives a bulldozer over an SSD enclosure. Based on his review of the SSD enclosure, I now want a bulldozer.

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.

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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