Cybernetics. Neuroscience. Nanotechnolgy. Genetic engineering. Hacktivism. Transhumanism. The world of tomorrow is already here, and the technological changes we all face have inspired a new wave of stories to address our fears, hope, dreams, and desires as Homo sapiens evolve -- or not -- into their next incarnation. This book presents twenty diverse tales of humanity's tomorrow as told by some of today's most gripping science fiction visionaries.