Re: [csswg-drafts] [css-values] Ability to address actual physical size

Coming in late here, but: @nicksherman 

>  If I know the physical size of a display, I have a MUCH better idea
 of how far away the viewer will be from it than I would from a 
relatively arbitrary pixel count.

You'd still end up inferring things. What if you find out that a 
display is physically large. It doesn't tell you if it's a TV type 
device (with a viewing distance of 10' ~ 3m) or a large touchscreen 
device meant to be stood in front and manipulated.

I've long argued that the problem is potentially already solved if 
devices chose a sensible ideal viewport size 
https://patrickhlauke.github.io/web-tv/ideal-viewport/index.html

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