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
Automate your work with Zapier

App tips
This is your complete guide to all of OpenAI's major models. We'll look at what each one is good for, how much they cost, and how to make the most of them in your work.
By Harry Guinness
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12 min read

App comparisons
Passwords are terrible. They're either too easy to guess or impossible to remember, and using the same one everywhere is practically inviting hackers to take down all of your accounts at once. Which is why password managers are a good idea.
By Harry Guinness
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13 min read

App tips
Agentic AIs are the latest attempt to create a framework for what these tools would look like and how they could safely operate.
By Harry Guinness
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12 min read

Best apps
Social media is a powerful tool for small businesses. You can use it to find new customers, drive traffic to your website, and keep in touch with existing clients.
By Harry Guinness
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18 min read
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