devices, whether it’s a mouse-wheel, swipe on a trackpad, magic mouse, tablet surface or smartphone screen • It has little or no visual interface that needs to be directly manipulated (in fact, Mac OS 10.7 virtually banished the scroll bar) • As we saw in the responsive design examples, directly clickable controls are very complicated to manage at varying resolutions... get rid of them? • Action of “scrolling” is co-opted to trigger other reactions than down movement - cuing a video, rotating, flipping through images, whatever! Infographics Where You Never Get Lost Scroll or Swipe-Based Interaction