Despite the dominance of educational-software giant, Blackboard, the Hasbroucks think their product’s got a good shot, largely because of its relative simplicity. Ginkgo Tree presents an intuitive, visual interface, not unlike Tumblr’s dashboard. For each course and subject, professors can upload links and images, embed video, post comments, and – significantly – import a chunk of scanned pages from print books. All of those resources get bundled into modules and arrayed in a navigable grid.