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Meet Microsoft Office’s new default font: Aptos
(www.theverge.com)
This is a most excellent place for technology news and articles.
Agreed that it's wider at the same point size. Not sure if it's easier or harder to read yet, especially that "a". Seems a little heavier to counter display technology that makes old fonts so thin (and maybe superthin fonts falling out of fashion?). Probably blends better with Chinese, Japanese, and Korean due to being squarer and having shorter descenders, but I don't trust my eye.