Long before the technology existed to build them, wearable devices were already alive in the human imagination — worn by comic strip detectives, starship crews, and movie villains. The 1989 film The Wizard gave a generation its first visceral glimpse of that dream through a peripheral called the Power Glove, a commercial failure that nonetheless planted something durable: the conviction that technology worn on the body is technology that truly belongs to you. Decades of science fiction have quietly done the market research that no focus group could, and the wearable industry is only now manufa