Journey into the past, and you'll discover the secret history of the future. From the world's first cyberattack in 1834, to 19th-century virtual reality, The Economist's Tom Standage and Slate's Seth Stevenson examine the historical precedents that can transform our understanding of modern technology, predicting how it might evolve and highlighting pitfalls to avoid. Discovering how people reacted to past innovations can also teach us about ourselves.