I can appreciate the achievement, but I closed the article halfway through, because the unpredictable scrolling behavior made me feel a little dizzy. I'd have s

I can appreciate the achievement, but I closed the article halfway through, because the unpredictable scrolling behavior made me feel a little dizzy. I'd have strongly preferred to grab some widget and swipe back and forth to see the before/after images, instead of having the same gesture, which feels like it ought to scroll the page, instead make some elements move some ways sometimes and different elements move a different way some other times.