What were the advantages of scrolls?
Only one sheet of paper, papyrus, or parchment. Portable. Can be rolled vertically or horizontally. Fun to have and use in modern times as novelty.
What is scroll magic?
ScrollMagic is a jQuery plugin which essentially lets you use the scrollbar like a playback scrub control.
How does ScrollMagic work?
ScrollMagic takes an object oriented approach using a controller for each scroll container and attaching multiple scenes defining what should happen at what part of the page.