What you actually want is not DPI (or PPI, pixels per inch) but PPD (pixels per ... | Hacker News

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		meindnoch 6 months ago \| parent \| context \| favorite \| on: Ancient X11 scaling technology What you actually want is not DPI (or PPI, pixels per inch) but PPD (pixels per degree). But that depends on the viewing distance.

account42 6 months ago [–]

Not even that - my mom and I might sit the same distance from screens of the same size but she will want everything to be scaled larger than I do. Ultimately, it's a preference and not something that should strictly match some objective measurement.

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