Howard Rheingold (USA) is one of the world's foremost authorities on the social implications of technology. Over the past twenty years he has traveled around the world, observing and writing about emerging trends in computing, communications, and culture. One of the creators and former founding executive editor of HotWired, he has served as editor of The Whole Earth Review, editor-in-chief of The Millennium Whole Earth Catalog, and on-line host for The Well. The author of several books, including The Virtual Community, Virtual Reality, and Tools for Thought, he lives in Mill Valley, California.