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
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More from Harry
App tips
What is ChatGPT agent?
Instead of being a generative AI chatbot, ChatGPT agent turns ChatGPT into a tool that can take initiative, trigger actions, and handle tasks on your behalf. Here's how it works.
By Harry Guinness
•
6 min read
Best apps
The 4 best AI search engines in 2025
From large platforms like Google to new startups, lots of search engines now offer the ability to generate AI-assisted answers.
By Harry Guinness
•
11 min read
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
•
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
•
7 min read
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