Smartwatch apps should rely on gestures more than on navigation elements, prioritize the essential, support handoff, and create tailored, standalone content.| Nielsen Norman Group
Users are often distracted from the task at hand, so prevent unconscious errors by offering suggestions, utilizing constraints, and being flexible.| Nielsen Norman Group
iPad apps are much improved, but new usability problems have emerged, such as swipe ambiguity and navigation overload.| Nielsen Norman Group