W3C recommends the pixel to be interpreted as about 4E-4 radians[1]. Personally I think that's a stupid idea, and I don't think anyone has implemented it, but I

W3C recommends the pixel to be interpreted as about 4E-4 radians[1]. Personally I think that's a stupid idea, and I don't think anyone has implemented it, but I would support using such a measure for device resolutions. [1] http://www.w3.org/TR/2008/REC-CSS2-20080411/syndata.html#length-units http://www.w3.org/TR/2008/REC-CSS2-20080411/syndata.html#len...