On Feb 19, 2012, at 3:15 PM, "Robert O'Callahan" <robert@ocallahan.org> wrote:
> On Mon, Feb 20, 2012 at 8:32 AM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
> Then again, I don't think "everyone" thinks that the way physical units work right now is worse than the alternative, fwiw.
>
> I think that's me :-).
>
> The units we have now are far more useful than "true physical" units would have been, since "true physical" units are mostly useless for Web pages across the range of devices we need to deal with.
I completely agree.
> Maybe if we had only "px" and "truemm" (with the latter very rarely used), things would be better because I'd be less frequently accused of destroying the metric system :-).
I think anyone who would have typed mm or truemm and expected accurate millimeters in anything other than print would still be very disappointed most of the time. Not because of incorrect implementations, but because there are so many reasons why the display technology wouldn't or couldn't set that measurement accurately.