The functionality of an information kiosk can be extended by allowing it to interact with a smartphone, as demonstrated by the Kimono system, and the user interface can be greatly simplified by “associations” between pieces of information. A kiosk provides information that is relevant to a particular location and can use valuable context information, such as the fact that a user is physically standing in front of the kiosk, to tailor the display. Its graphically rich screen is suitable for presenting information to the user and has a natural input modality requiring the user to simply touch the screen. However, a kiosk lacks mobility and cannot stay with the user as he or she moves about the environment. Also, information provided by the kiosk must be remembered by the user. Finally, it is difficult to add information to the kiosk, and so the kiosk remains an information display device. All this changes when a handset, such as a PDA or smartphone, can interact with the kiosk. The...