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Safety regulations, 193
Sales, mobile phone, 15
Satisfaction, 252–254
Scalability of small interfaces, 268–269
Scenarios, 143–144
Screens, 3
coherent user experience and design of, 136
idle, 50, 52
introduction, 78
for Milan-area traffic service, 217
minimum size of, 268
touch screens, 40, 161, 162
“Scroll and click” joystick, 28
Seamless user experiences, 41, 273–276
Search engines, 260
Segmentation:
customer/consumer, 16–19, 25
product, 142–143
for studies, 125
user interface, 25
of users, 121–122
Sequential representation, 3
Series 20 (see Navi-key)
Series 30, 21–24, 42, 43
call menu in, 62–63
Internet browsing feature of, 28
menu style navigation of, 31–32
Navi-roller feature of, 32–34
phonebook feature of, 27
sales of, 30
status icons in, 52
time management feature of, 27
Series 40, 27–28, 35, 44
Series 45, 33, 35, 44, 54
Series 60, 44
design team for, 146
evolving UI styles of, 34, 35
higher-level menus of, 54
Internet browsing feature of, 28
option list of, 54–55
paper prototyping tour for, 171–187
Series 80 Communicator, 44
Service providers, 37–38
Setting items layouts, 54
Sharing (of phones), 105–106
Shingo, Shigeo, 231
Short Message Service (SMS), 98, 106, 287
Arabic, 39
meaning of, 114
and usage patterns, 123
Shortcuts, menu, 59–62, 81–82
Silfverberg, Miika, 83
SIM (Subscriber Identification Module), 287
Simultaneous calls, 26
Single softkey, 76
Situational contexts, 121
Size, 2–3, 11
Small user interfaces, scalability of, 268–269
Smart phones, 172
Smart products, 20, 250
Smartphone 2002, 37
SMS (see Short Message Service)
Social context, 120–124
Social events, calls as, 104–105
Socially constructed meaning (of products), 93
Society:
UIs and organization of, 115
UIs as representation of, 127
Sociology, research and (see Consumer studies)
Softkeys, 58, 67–70
concept of, 158–159
flexibility of, 161
in Navi-key style, 24, 76
in Series 30, 23, 24
Software (in smart products), 250
Software UIs, 17
Software usability problem classifications, 181, 183
Specifications, UI, 151
Spirit, team, 145–146
“Spouse test,” 83
Spreadsheets, 230
Stability, development, 283–284
Standards, 39–40, 284
(See also Cellular standards)
“Steering Wheel” project, 193–207
designing, 195–196
driving game for, 197–198
goals of, 193–194
prototype for, 199–202
simulator for, 197–198
test measurements with, 205, 206
UI controls for, 200
video records of tests, 198–199
Sterophonic audio, 41
Straying (while driving), 204
Style guides, 151
Subjective analysis, 258
Subjective use criteria, 92
Subscriber Identification Module (SIM), 287
Sun, 233
Symbian, 34n.
Symbian OS, 37
Symbian smartphone, 34
SyncML, 229–230, 275, 287–288
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