Complains about length units, then goes on to use feet. Oh, the irony.

One world, one set of measurements.

As pointed out (by Pekka) in the blog comments, writer doesn't understand CSS px. It's already an angular measurement.

The title suggests that the story is about length units in general, but as I was reading I concluded the story was fixed on screens. So at first I was thinking why would inch be better than cm? Then I thought okaay cones... (following some numbers) yeah..so? I don't know why 32" screen from 7feet away is 0.8 something cn and what does that 0.8 mean? What is a good cn when looking at a monitor?