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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 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 Major fail trying free vibe coding, best ChatGPT settings, a 15x faster coding AI
Choose the right chatbot, always-do instructions for my A...
Advanced Geekery with David Gewirtz · 2026-02-23 · 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.

We had another big surge in new subscribers this week. Welcome everybody! Grab a cup of your favorite beverage and make yourselves comfortable. Lots to read and do below.

What happens to all the 3D printers after I finish reviewing them? You’ve asked. I answer. In this video, I walk you through what really goes on behind the scenes once a printer’s review cycle is complete.

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

5 custom ChatGPT instructions I use to get better AI results - faster: Want better ChatGPT responses? I use custom instructions to keep its answers tight and helpful. Here’s how.

Inside Google’s AI plan to end Android developer toil - and speed up innovation: I spoke with Sam Bright, VP and GM of Google Play and Developer Ecosystem, about how Gemini’s expansion in Android Studio can help human devs do more faster - and better.

Is free AI enough? How to choose the right chatbot for you - and when to upgrade: You can do a lot with free AI. But you can do even more if you upgrade. Here’s how to decide between all your options.

Claude Sonnet 4.6 delivers frontier-level AI for free and cheap-seat users: Anthropic is positioning Sonnet 4.6 as a practical daily driver. In many cases, it’s even faster than Opus 4.6.

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

I have a project where I need to screw into the end grain of either plywood or MDF. Normally, screws don’t hold all that well when driven into end grain, even when glue is added.

But the flat-pack furniture companies have been screwing into end grain for years. Even though you might think they won’t hold, somehow they do. The trick is confirmat screws, named after the Latin word confirmare, meaning “to strengthen” or “to make firm”.

These have a thick shank and a particularly robust thread. Don’t trust the listings, which say you don’t need to pre-drill. You must pre-drill, otherwise you risk blasting apart the wood sheets. But if you do pre-drill, with a bit slightly smaller than the width of the confirmat screw, these screws should hold fast.

Note: As an Amazon Associate, I earn from qualifying purchases.

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.

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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