I might be old and crotchety, but that post is the opposite of a distraction-free reading experience. I count at least 6 fonts, 3 different background colors, 3 text colors, excessive whitespace on the borders, images that break that whitespace, animations, all pictures interrupt the flow of text...
How about we stop trying to design experiences and instead just write better?<p>The reason why you were absorbed into the book had little to do with the way the book was printed and everything to do with the story.