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About Mark Kelly
making tech videos and writing articles.
I’m a writer, videographer, and YouTuber focused on useful tech for readers, writers, and creators. On The Spark! and The Weekly Spark, I cover Kindle, E Ink, iPad, and related tech with honest reviews and no nonsense. Your support helps me keep making videos and publishing articles on Substack.
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iPad Mini 8: Is It Worth Upgrading From the Mini 7?
Oct 31, 2026
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Colour E-Ink Has a Problem (Has Kaleido 4 Fixed it?)
Oct 24, 2026
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I've Spent Years Reviewing Products. Now I've Made One!