Firm foundation in the main hci principles, the book provides a working

Figure 4.3 Making sales with padlike devices leveraging on their mobility and relatively large 
screen size.
(a)
(b)
Figure 4.4 Embedded interaction platform: (a) mobile and (b) stationary.

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screen, special sensors, peripherals (microphone, camera, 
RFID/credit-card reader, heavy-duty keyboard) (Figure 4.6)
Suited for: 
Public users and installations, limited interaction, 
short series of selection tasks, monitoring tasks
• Virtual reality (stationary): Large-surround and high-resolution 
projection screen/head-mounted display/stereoscopic display, 
3-D tracking sensors, 3-D sound system, haptic/tactile dis-
play, special sensors, peripherals (microphone, camera, depth 
sensors, glove) (Figure 4.7)
Suited for: 
Spatial training, tele-experience and tele-presence, 
immersive entertainment
• Free form (stationary and mobile): Special-purpose hardware 
platforms consisting of a customized configuration of indi-
vidual devices best suited for a given task (when cost is not the 
Figure 4.5 TV/console interaction environment (Xbox LIVE, http://www.xbox.com/ko-KR/Live/
what-is-live?xr=shellnav).
Desktop
Wall-mount
Standalone
Figure 4.6 Various kiosk/installation types of interaction platform.

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biggest factor). (There are many such custom-designed inter-
faces, such as those shown in Figure 4.8.)
4.2.2 Software Interface Components
Most of these software components are quite well known and familiar 
to most of the readers, so we only highlight important issues to con-
sider in the interface selection.