UNIVAC, 361
Universal Plug-and-Play, 356-357
UNIX, 68, 194, 315
community-based development and, 78-80
government and, 303
heterogeneity and, 225
trademarks and, 275-276
worms and, 289
Upgrades, 73, 272
economic issues and, 319
pricing and, 336-337
value chains and, 127-129
Usability, 58-59
Usage, 55
User datagram protocol (UDP), 210-213, 233
Users, 8, 121
application software and, 51-52 (see also Application software)
cost and, 62
cryptographic key and, 152
defined, 13
free speech and, 293-296
freeware and, 272-273
GLB and, 60
installation and, 188-189
learnability and, 58
meeting needs of, 51-52
multiple use and, 342-343
network effects and, 52-55
nomadic, 357-360
passwords and, 136, 152
pay-per-use, 190-191
pricing and, 188-191, 327-338
privacy and, 140-145
productivity and, 50-51
rights of, 147-148, 161
satisfaction-driven programs and, 61-62
security and, 135-136, 145-166 (see also Security)
self-provisioning and, 187
smartcards and, 152
software creation and, 68-69, 83-84
subscriptions, 190-191
suppliers and, 230
types of, 45-46
value and, 49-63, 122-133
Utility model, 28, 116