When the iPad made its debut in April 2010, the first Touchpress app—The Elements: A Visual Exploration—was right there with it. The app was actually an ebook in disguise, with stunningly beautiful and interactive 3D illustrations, and it seemed almost perfectly designed to rebut skeptics (and there were many) who believed tablets could only be niche gadgets. Elements truly showed us the iPad’s potential as a vessel for rich, interactive experiences that wouldn’t be the same on the iPhone or even on...
