1984, 132, 239, 305–306

20th century, xi, xvi, xxvii, 150, 236, 251, 256, 268, 277, 280

21st century, 161, 276, 412

21st-Century Application of the End-to-End Principle, A, 412

24/7, 90, 142, 214, 243

3-D, 7, 76, 86, 299, 373, 377

9/11 (September 11 2001 terror attack date), 303, 327, 428

accountability, 244–245, 251, 265, 279, 283, 286, 307, 322, 413

activists, xxiv, 11, 27, 37, 58, 60, 62, 95, 99, 115–116, 127, 136, 138, 152, 157, 162, 175, 184–185, 193, 205, 208, 210, 238, 241, 247, 257, 265, 281, 291, 293, 314, 317, 323, 345–346, 366, 391, 401, 405, 423, 431

advertising and advertisements, 16, 61, 134, 152, 173, 206, 223, 229, 232, 241, 249, 267, 269, 284, 287, 293, 301, 314, 316, 355, 360, 392, 424, 427

affordable access to internet, 42, 72, 89, 94, 125, 145, 194, 215, 240, 269, 370, 372, 427

Afghanistan, 146, 324

Africa, 25, 49, 89, 125, 140, 167, 171, 177, 188, 252, 304, 318, 357, 379, 403, 406

always-on (connections), 19, 76–77, 89, 92, 116, 118, 203, 400

Amazon.com, 71, 79, 169–170, 259, 265, 309, 403, 418

ambient (technology), xxvi, 120, 182, 189, 194, 197, 202, 221, 224, 417

Android (smartphone OS), 388, 390

anonymity, xii, xxvii, 112, 217, 289–328, 423

antisocial behavior, 185, 291

AOL (America Online), 399, 420

APIs, 334

App Store, 80, 379

Apple, 73, 79–80, 83, 95, 294, 333, 373, 379, 385, 390, 406, 410

applications for computer, Internet, and wireless devices (apps), v, vi, ix, xx, xxv, xxviii, 2, 10, 18, 32, 37, 42, 49, 69–106, 114, 116, 122, 171, 188, 214, 216, 267, 316–320, 331, 333, 336, 344, 348, 353, 357, 364–393, 398, 401, 404, 406, 408, 410, 412–413, 420, 423, 432

ARPANET, 145, 341

artificial intelligence (AI, intelligent agents), 347, 373–374

Asia, 61, 403

Asimov, Isaac, 62, 352, 378

Association for Computing Machinery, 39, 45, 143, 212, 314, 358, 368, 419

Association of Internet Researchers, xxiii, 37, 95, 132, 192, 265, 310, 358, 423

Atlantic Monthly, 2–3

AT&T, 15, 41, 79, 90, 106, 137, 159, 177, 203, 241, 293, 297, 351, 358, 369, 375, 382, 406–407, 430

attention deficit (short attention span), 13, 26, 28, 47, 51, 54, 156–157

attention economy, 44

augmented reality, 31, 62, 292, 351, 364, 369, 371–372, 380, 384, 387, 389