Signs of the TimesTraces the evolution of communication. From hieroglyphics and cuneiform came the first alphabets of Egypt, Phoenicia, and Greece, reflecting their world and its values. A thousand years later Gutenberg's printing press and its diffusion of ideas set the stage for the Renaissance, the Reformation, and the Age of Revolutions. The impact of technology --printing, typewriters, computers, global networking-- preceded a digital revolution and the explosion of personal computers and the World Wide Web. Shows our world as it was, is now, and will be.