[harryc2011]

  And, somewhere within the depths of modern versions of Windows, there lay, dormant, an old-fashioned System font from 1990 — alongside some vintage software routines necessary to render it.

I mean it's hardly hidden in the depths of Windows - it's right there in every single font selection menu.

[mariusmg]

Apparently for the people who test their shit only on Macs it's "hidden" all right.