Blogger Argues Air Purifiers Double as White Noise Machines

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A blog post by Jeff Kaufman proposes that air purifiers can serve a second purpose as white noise machines. The author suggests their steady fan sound may help mask background noise, such as in bedrooms or offices. The idea appeared on Hacker News, where the post drew a modest level of attention from readers. The article offers a personal, informal take rather than a formal study or product test.

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