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Harry Guinness

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's articles

Best apps
The best email parsing software in 2025
Your inbox has more than messages—it's full of data. This is particularly true if you're running a business. Maybe your leads come in via email; maybe that's where certain invoices end up. But you can't do much with this data if it's in your inbox.
By Harry Guinness

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11 min read
App tips
What is Perplexity AI?
While Perplexity can't yet replace a traditional search engine, it's surprisingly functional and effective if you work within its limits. Here's what you need to know about it.
By Harry Guinness

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7 min read
App tips
What is gpt-oss? OpenAI's new open license model family
OpenAI is once again in the business of open AI models. The maker of ChatGPT recently released two large language models (LLMs) under open licenses.
By Harry Guinness

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5 min read
Best apps
The 6 best email clients for Mac in 2025
Whether you live in your inbox or just use it to communicate with those who do, email is going to be a daily part of your work life. And if you use a Mac, one of the best things you can do to improve your experience with email is use a Mac email client.
By Harry Guinness

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15 min read

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More from Harry

Best apps

The top AI image editors in 2025

Here's every AI image editor you should consider using.

By Harry Guinness

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9 min read

Best apps

The best AI photo editors in 2025

We tested dozens of options, and these are the best AI photo editors.

By Harry Guinness

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16 min read

A hero image with the logos of the best habit tracker apps

Best apps

The 5 best habit tracker apps in 2025

We considered almost 50 of the most popular habit tracking apps—a lot fell short, but after extensive testing, here are the best six.

By Harry Guinness

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14 min read

Best apps

The top AI text generators in 2025

AI text generation creates content wherever you are. Here's how it works and the kinds of apps you can use to access AI text generation across your tech stack.

By Harry Guinness

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7 min read

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