This article describes some of the key affordances for learning of the generic class of handheld computers known variously as smartphones, palmtops, and thumbtops--using the Apple iPhone 3G as one of the most mature exemplars of this class--based on the authors' experiences with and reflections about the device over a period of a year. An argument…

Examines how metacognitive theory can be integrated into the design of computer-based learning environments through the user interface. Highlights include interface design, metacognition and cognitive processes, using metaphors, user access to information, visual feedback, navigational tools, interaction styles, menus, and self-evaluation methods.…