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David Gewirtz

@davidgewirtz.com

ZDNet columnist, ZATZ founder, puppy daddy, host of Advanced Geekery. Former UC Berkeley instructor, Mercer professor, CNN and Economist alum

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13.07.2023
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Latest posts by David Gewirtz @davidgewirtz.com

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Here's my new article on (and a fun picture generated by) ChatGPT's new images feature. www.zdnet.com/article/chat...

18.12.2025 14:31 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I tested the new ChatGPT Images - it's a stunning improvement, and enormously fun 'Lights! Eggnog! Punching!' OpenAI just overhauled ChatGPT image generation, and the results surprised and delighted me.

Here's my first look at the new ChatGPT Images. www.zdnet.com/article/chat...

17.12.2025 16:31 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Happy to be back doing Harvard stuff again. This was a really excellent series, great for keeping up my continuing ed chops. 60+ hours of lecture, roughly 80 individual programming tasks. And yes, there will be a ZDNET article about it in the new year.

16.12.2025 15:30 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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10 things I wish I knew before trusting Claude Code to build my iPhone app Vibe coding sounds effortless, until it isn't. Building a full iPhone app with Claude Code showed me why baby steps, backups, and testing matter.

I also wrote this: www.zdnet.com/article/clau...

16.12.2025 14:30 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Your programming career isn't over - AI just upgraded your toolbox Now that AI can write software, where does that leave you as a programmer? The answer lies in the past.

2025: the year programming got power tools. My latest piece. www.zdnet.com/article/ai-g...

15.12.2025 22:30 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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How to install and configure Claude Code, step by step Curious about Anthropic's AI coding tool but unsure where to begin? My walkthrough covers pricing, installation, authorization, and project initialization so developers can get up and running…

Now you can do it too: www.zdnet.com/article/how-...

15.12.2025 14:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I tested GPT-5.2 and the AI model's mixed results raise tough questions Subjected to my battery of 10 text tests and 4 image challenges, OpenAI's latest model barely edged out GPT-5.1. What are Plus subscribers actually paying for?

My latest: www.zdnet.com/article/text...

12.12.2025 20:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Stop using ChatGPT for everything: The AI models I use for research, coding, and more (and which I avoid) From GPT to Claude to Gemini, model names change fast, but use cases matter more. Here's how I choose the best model for the task at hand.

Gooood Monday morning, the Internet! Here's my latest article. I'm starting the week with Community Coffee Southern Pecan Praline. What about you? www.zdnet.com/article/stop...

08.12.2025 14:30 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Claude Code made an astonishing $1B in 6 months - and my own AI-coded iPhone app shows why My complex app, built entirely through agentic coding, reveals the true force multiplier transforming how developers create products at astonishing speed.

My latest, and my new app… www.zdnet.com/article/clau...

05.12.2025 20:30 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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How to learn ChatGPT in under an hour using my favorite guides and videos - for free Want to master ChatGPT fast and for free? Here's the easiest path, with my top handpicked resources.

My latest post. Some useful lessons here. www.zdnet.com/article/how-...

02.12.2025 16:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I tested Opus 4.5 to see if it's really 'the best in the world' at coding - and things got weird fast Here's what happened when I pushed Anthropic's new model through some simple development tasks.

I wrote this. I know, shocker, right? www.zdnet.com/article/i-te...

25.11.2025 22:30 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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How to vibe code your first iPhone app with AI - no experience necessary You can easily create an app today, using AI tools like ChatGPT or Claude. Here's how.

Here's my quick iOS coding tutorial: www.zdnet.com/article/how-...

17.11.2025 18:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I'm a Photoshop diehard, but Canva's free tools won me over - and saved me money Adobe's subscription limits and AI stinginess pushed me over the edge. Canva offers freedom, flexibility, and serious savings. See if switching makes sense for you, too.

I now have a fairly low-cost structure for an enormously powerful creative stack. www.zdnet.com/article/im-a...

13.11.2025 17:30 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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How small businesses can survive AI shopping: 7 essential steps With AI shopping agents quietly changing how we buy stuff, SMBs must adapt quickly or risk becoming invisible online.

Do you think you'd trust an AI agent to shop or make purchases on your behalf? www.zdnet.com/article/how-...

12.11.2025 17:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Don't do this one thing if your 3D printer arrives dead-on-arrival
Don't do this one thing if your 3D printer arrives dead-on-arrival Ever unboxed a brand-new 3D printer only to find it's badly broken? You’re not alone. Plus, there’s one critical mistake you should never make when that happens. In this episode, David Gewirtz shares…

My latest video is only a little bit of a rant. www.youtube.com/watch?v=TBkv...

11.11.2025 17:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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5 must-have cloud tools for small businesses in 2025 (and my top 10 money-saving secrets) Are you overpaying for cloud tools? Here's what you actually need and how small changes can save you thousands a year.

Want to save money on cloud expenses. Here are my tips. www.zdnet.com/article/5-mu...

07.11.2025 14:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

What have I learned while using AI? Here are 10 lessons.

06.11.2025 22:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I run a very small business. Here are 21 simple ways AI saves me time every day From coding to marketing to YouTube production, here's how a two-person company harnesses AI to outperform teams ten times their size, all while spending less than their QuickBooks subscription.

How do I use AI? Here's a pretty good list. www.zdnet.com/article/i-ru...

06.11.2025 21:30 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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What Bill Gates really said about AI replacing coding jobs Everyone's quoting Bill Gates saying AI can't replace programmers - but he never actually said that. Here's what he really said, and what it means for your tech career.

Catching up on articles I posted this week. Here's the first. www.zdnet.com/article/what...

24.10.2025 17:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Why open source may not survive the rise of generative AI Generative AI may be eroding the foundation of open source software. Provenance, licensing, and reciprocity are breaking down.

I think today's piece is particularly interesting (and worrisome). www.zdnet.com/article/why-...

24.10.2025 17:12 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1
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The best AI chatbots of 2025: ChatGPT, Copilot, and others worth trying We pushed eight free AI chatbots to their limits, from writing stories to generating images. See which ones scored high marks and which failed to keep up.

Here's my take on all the big chatbots. www.zdnet.com/article/best...

24.10.2025 17:10 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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This free Google AI course could transform how you research and write - but act fast The Knight Center and Google are launching a free AI course aimed at journalists, but if you're a student or a writer, you could learn a lot, too. It starts Monday.

This free 4-module course that begins next week. www.zdnet.com/article/this...

17.10.2025 19:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I've tested free vs. paid AI coding tools - here's which one I'd actually use Some developers pay big for AI coding tools. Others stick with free. Here's how to know when to spend - and when to save.

Have you tried using AI tools to help you code? www.zdnet.com/article/ive-...

15.10.2025 19:30 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Is art dead? What Sora 2 means for your rights, creativity, and legal risk OpenAI's Sora 2 gives anyone the power to make realistic AI videos - but what happens when creativity, copyright, and deepfakes collide in ways we can't control?

Here's my latest deep dive. www.zdnet.com/article/is-a...

14.10.2025 18:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Miss Launchpad in MacOS 26? I found a way to restore it for free - here's how Two free utilities can recreate Apple's removed feature and restore your workflow faster than Spotlight's messy app grid ever could.

I'm super-annoyed at Apple for removing Launchpad. But here's a workaround. www.zdnet.com/article/miss...

10.10.2025 18:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Good, Weird, and Ugly: Narwal Freo Z Ultra Review
Good, Weird, and Ugly: Narwal Freo Z Ultra Review Can a robot vacuum survive a real workshop? Most can’t. I’ve tested plenty, and every one failed within minutes. But the Narwal Freo Z Ultra is different. In this Advanced Geekery review, I take the…

Did I mention I put out a new video this weekend? Well, I did. www.youtube.com/watch?v=I9k8...

08.10.2025 20:30 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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ChatGPT's Codex just got a huge upgrade that makes it more powerful than ever - what's new OpenAI has fully launched Codex, and it comes with new tools for developers, including Slack integration and more.

OpenAI announces more Codex www.zdnet.com/article/chat...

08.10.2025 19:30 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Google's new Jules Tools is very cool - how I'm using it and other Gemini AI CLIs Jules Tools has quietly joined Gemini CLI and GitHub Actions in Google's lineup. Here's how these command-line agents differ.

Last week, Google announced Jules Tools, a command-line companion for Google's GitHub-centric coding agent. Wait, what? www.zdnet.com/article/goog...

06.10.2025 19:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The $99 gadget that prevents electrical fires by doing nothing I tested a tiny device that plugs in, stays silent, and promises to stop electrical fires before they start. Here's my verdict.

This thing does absolutely nothing. And that's good. www.zdnet.com/home-and-off...

03.10.2025 20:30 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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My new favorite Photoshop AI tool lets me combine images in one click - and I can't stop Photoshop Harmonize automatically adjusts an object's color, lighting, and shadows to match any background. It's very, very good - and addictive.

This was almost too much fun. www.zdnet.com/article/my-n...

02.10.2025 15:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0