The document discusses how science fiction concepts and narratives influence perceptions of emerging technologies like wearable computers and brain-computer interfaces. It notes that descriptions of these technologies in business plans and visions for the future are often framed using metaphors and stories from science fiction involving superpowers, mind control, and dystopian futures. However, it suggests addressing fears expressed in these old narratives by working within them to tell new, more optimistic stories and paying attention to societal concerns about bodily violation and control.