I think this sort of thing is generally a bad idea. The only good use case I've seen is in those scrolling timeline style stories sometimes found on news sites - where progress through the story is advanced by 'scrolling' down (even though sometimes the scrolling might stop or change direction). With these sites though, it's always quite clear that scrolling 'down' will advanced you through the story, and scrolling up will 'rewind'.
Having this kind of interaction as part of a 'normal' interface is generally quite a jarring experience
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I think this sort of thing is generally a bad idea. The only good use case I've seen is in those scrolling timeline style stories sometimes found on news sites - where progress through the story is advanced by 'scrolling' down (even though sometimes the scrolling might stop or change direction). With these sites though, it's always quite clear that scrolling 'down' will advanced you through the story, and scrolling up will 'rewind'.
Having this kind of interaction as part of a 'normal' interface is generally quite a jarring experience