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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16 min read
By Harry Guinness
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19 min read
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More from Harry
Best apps
The 30+ top AI art generators in 2025
If you want to get in on the text-to-image action but aren't sure where to start, this list will help you out.
By Harry Guinness
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15 min read
App comparisons
Grok vs. ChatGPT: Which is best? [2025]
ChatGPT and Grok are both solid AI chatbots, though there are some differences. Here's the Grok vs. ChatGPT comparison, so you can choose which is right for you.
By Harry Guinness
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6 min read
Best apps
The 6 best Pomodoro timer apps in 2025
A dedicated Pomodoro app removes the need to divide up your day manually—instead, it tells you exactly when to work and when to take a short break. Here's a brief look at how the technique works, along with our picks for the 6 best Pomodoro timer apps.
By Harry Guinness
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15 min read
App tips
What are AI reasoning models?
Since it's only a matter of time before reasoning models are everywhere, let's look at what reasoning models are, how they're different from other LLMs, and what they're good for.
By Harry Guinness
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5 min read
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