TripIt, 352

TrueKnowledge, 352

trust (distrust), 8, 34–35, 46, 67, 72, 76, 81, 88, 95, 100, 109, 125, 135, 140, 207, 240, 257, 274, 277–278, 299–300, 318, 335, 338, 343, 350, 404, 408, 412

truth (truthful), 15, 38, 61, 147, 176, 344, 412, 423

Turing, 168, 344

Turkle, Sherry, 214

Twine, 331

Twitter (tweet, tweets), xxiii, 51, 71, 96, 101, 111–112, 121, 150, 158, 174–175, 178, 183, 191, 195–197, 211, 213, 217, 232, 262, 267, 271, 284, 368, 371, 379–382, 387, 389, 391, 408, 416

ubiquitous computing (ubiquity), 31, 73, 77, 80, 88–89, 93, 104, 125, 166, 177, 185, 203, 240, 261, 370–372, 377, 381, 390, 393, 398, 402

Udi Manber, 154

Uganda, 430

UGC (user-generated content), 16, 135, 110, 242

UK (United Kingdom), 123, 220, 284, 409

UNESCO, 162

Unintended consequence, result, 366, 387

Universal Magazine of Knowledge and Pleasure, 53

US Congress. See Congress, US

US Department of Defense, xxiii user interfaces, 71, 90, 348, 364

Verizon, xxiii

video, 4, 71–72, 74, 83–84, 95, 98, 102, 111, 115, 117, 119–120, 122, 124, 127, 136, 143, 151, 155, 159–160, 163, 166, 168, 171, 174, 183, 186, 213, 228, 242, 313, 354, 385, 411, 413

video games. See computer games

violence, 76, 113

virtual communications, 62, 137

virtual communities, 42

virtual worlds, 139, 164, 201, 216–217

Virtualbox, 87

virtualization, 74, 84, 87, 94, 370

virus (viruses), 376

visual (visualization), 3, 18, 45, 51, 68, 84, 109, 135–137, 153, 156–158, 160–164, 171, 178, 210, 343, 349, 359, 370

voice interface, voice recognitionSee also speech interface, speech recognition; talk interface, 67, 343, 370, 372

Voice over Internet Protocol (VoIP), 110, 403, 411

Voltaire (François-Marie Arouet), 245

Von Hippel, Eric, 78

walled gardens, 80, 136, 321, 367, 423

Washington, George, 30

wearable computing, 371, 376

Web 2.0, 250–251, 256, 337, 383, 408, 422

Web 3.0, 256, 331, 377

Web browser. See browser

Web of data, 74