One factor might be screen size. In 1998 it was typical to have 1024x768 monitors at about 72 DPI. Shortly afterwards, the whole world switched to a 96 DPI sta

One factor might be screen size. In 1998 it was typical to have 1024x768 monitors at about 72 DPI. Shortly afterwards, the whole world switched to a 96 DPI standard, at higher resolutions.