The outlines of Georgia—one of the world’s most thoroughly mastered screen fonts—are grossly distorted when hinting is applied for different sizes. These distortions are very much intentional though, since they provide the desired results at actual size. (Thanks to Petr van Blokland for supplying post-hinting outlines of Georgia.)
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https://alistapart.com/column/font-hinting-and-the-future-of-responsive-typography