Harry Guinness is a writer and photographer from Dublin, Ireland. His writing has appeared in the New York Times, Lifehacker, the Irish Examiner, and How-To Geek. His photos have been published on hundreds of sites—mostly without his permission.
Harry Guinness
Harry's articles
By Harry Guinness
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19 min read
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More from Harry
App tips
ChatGPT image generation: How it works and how to get the best results
Learn how to generate images with ChatGPT—and how to get the best results. With the GPT-4o model, you can create stunning images using the AI chatbot.
By Harry Guinness
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6 min read
App tips
How to use DALL·E 3
DALL·E will likely be considered one of the most important tech products of the 2020s, and it undeniably kickstarted the current generative AI craze.
By Harry Guinness
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4 min read
App tips
What is Google Gemini?
Gemini is the name Google gave to its current generation family of multimodal AI models, but in typical Google fashion, it also applies to basically everything else that's related to AI.
By Harry Guinness
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8 min read
Best apps
The 9 best ChatGPT alternatives in 2025
ChatGPT is the biggest name in AI chatbots, but it's far from the only one around—and depending on what you're trying to do, it might not even be the best option for you.
By Harry Guinness
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13 min read
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