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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 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
I cloned the Codex keyboard, how to pick Claude tools, co...
Advanced Geekery with David Gewirtz · 2026-07-27 · 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.

If you’ve been following my ZDNET articles, you know I’ve been working on a filament management tool called My Filament Stash. Here’s another sneak peek feature that will be in the upcoming release of the product. It’s being built for the Apple ecosystem and will run on iPhone, iPad, Watch, and Mac.

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

I recreated OpenAI’s Codex Micro for a lot less - and mine is more customizable: The $230 Codex Micro sold out before I could buy one, so I turned my Stream Deck+ into a surprisingly capable alternative.

I use Anthropic’s Claude AI tools for very different jobs: How to pick between models, Code, and Cowork: Here’s how Anthropic’s AI tools work, what they can accomplish, and why security, cost, and your oversight still matter.

Claude Opus 5 arrives with near Fable performance at half the price: Anthropic’s latest Claude upgrade targets developers and enterprises with stronger coding, better reasoning efficiency, prompt-cache-friendly tool changes, and near-Fable performance at Opus pricing.

I ran Windows’ memory test all the way through twice, before and after a power cycle. Windows reports that it’s a memory issue, so as soon as I dig out my workshop from the three active projects filling up all surfaces, I’ll dig in, open the machine up, and reseat the RAM.

I really hope it’s not a bad memory stick. When I purchased the G.SKILL Ripjaws V Series (Intel XMP) DDR4 RAM 32GB in 2023, I spent $74.99. That same exact product today is $240 with a 25% discount (normal price $319)! I really don’t want to have to replace RAM in today’s market.

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

Image: Morley Space Etsy shop

After a quiet hiatus, my Etsy merch store is back with a bunch of new geekerly sayings. I’ll be adding more each week. This week, though, I felt this one was the most appropriate given my blue screen above: Ninety percent of repair is reseating RAM. Here’s hoping it’s true.

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.

House of the Head T-shirts are finally back on the merch store. Stay tuned. Choices Are Voices shirts are coming soon.

Image: Morley Space Etsy shop

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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