Considering the lack of an alternate scrolling mechanism, it's more about re-using proven interface genres than skeuomorphism.https://twitter.com/mwichary/status/822563076792872962 …
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skeuomorphism has a slippery definition in tech as it usually just means visual metaphor, not "real" skeuomorphism.
additionally, the wheel apparently actually scrolls the page. So: not skeuomorphism.
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